要點解析：
狀語從句的一般性用法很簡單，就是按照句義順下來即可。
狀語從句的其他用法，可能更有難度，主要包括：
unless的用法
主將從現
主將從現與賓語從句
when，while，as的區別
（ ）1. -Tim, our foreign teacher Ms. Green will go back to England next week.
-Really? Let's have a party to say goodbye to her__________she is free this weekend.
A. unless B. if C. though
答案：B
解析：狀語從句常規題，根據句義選擇即可。如果她有空，我們就去看望她。
（ ）2. -What will you do with your college living expenses（生活費用）?
-I will try to do with the cost myself__________my parents would give me a hand.
A. as long as B.so that C. even if
答案：C
解析：狀語從句常規題，根據句義選擇即可。儘管我父母能幫忙，但我也得自己努力。讓步狀語從句。
（ ）3. It's dangerous to cross the street carelessly. But it's a pity that many people can't be so careful__________they cross the street.
A.that B. when C.until
答案：B
解析：狀語從句常規題，根據句義選擇即可。當過馬路的時候，很多人不夠小心。時間狀語從句。
（ ）4.-Why doesn't Peter go to school today?
-Because he is ill. He was riding his bike when it__________to rain.
A. has begun B. was beginning C. began
答案：C
解析：狀語從句常規題，根據句義選擇即可。When在這裡翻譯突然，正在騎自行車，突然天下雨了。如果是He was riding his bike前面有空格，那麼空格處可以用while。時間狀語從句。
（ ）5. -My mother was still waiting for me__________I came back home last night.
-You shouldn't stay out too late.
A.while B. when C.as soon as
答案：B
解析：狀語從句常規題，根據句義選擇即可。當我到家的時候，我媽媽正在等我。如果是______my mother was waiting for me, I came back home last night.可以考慮用while。但語義有些彆扭。
（ ）6. -What were you and your father doing at 7:00 yesterday evening?
-I was doing my homework__________my father was reading newspapers.
A. when B.as soon as C. while
答案：C
解析：狀語從句常規題，根據句義選擇即可。用while連接連個進行時，表示動作的對比。
（ ）7. You will never learn how to swim__________you've practiced swimming thousands of times on the beaches. As you know, trying is the first step to be successful.
A. so that B.as long as C.even though
答案：C
解析：狀語從句常規題，根據句義選擇即可。無論你模擬多少次，你都不如實戰一次。讓步狀語從句。
（ ）8. Helping others is helping ourselves. I get such a strong feeling of satisfaction__________I see the people in need get better and the look of joy on their faces.
A. that B. when C. unless
答案：B
解析：狀語從句常規題，根據句義選擇即可。當我看到人們一片祥和的時候，我就很滿足。時間狀語從句。
（ ）9. -Did you catch the early bus this morning?
-Yes.The bus started to move__________I got on it.
A. before B.though C. as soon as
答案：C
解析：狀語從句常規題，根據句義選擇即可。當我一上車，車就開了。時間狀語從句。
（ ）10. Li Ming is always the first one to be in the classroom__________he lives far from our school. He's a hard-working student that we should learn from.
A.although B. because C. when
答案：A
解析：狀語從句常規題，根據句義選擇即可。雖然家離學校很遠，但是李明還是第一個到達學校的。讓步狀語從句。
（ ）11. -Mike, are you going to Julie's birthday party tonight?
-I won’t take part in it__________I am invited.
A. unless B. because C.if
答案：A
解析：狀語從句常規題，根據句義選擇即可。除非我被邀請，否則我不會去。如果我被邀請了，那麼我就會去。If I am invited, I will take part in it. 條件狀語從句。
（ ）12. -Do you always find excuses for a lot of failures, my dear friend?
-Many times. But we should learn from failures and mistakes.__________we work hard and never give
up, we're sure to reach the success.
A.As well as B.As long as C.As soon as
答案：B
解析：狀語從句常規題，根據句義選擇即可。只要我們足夠努力，永不放棄，我們就一定能成功。條件狀語從句。
（ ）13. -Let's spend some time with our relatives and friends__________we can get a better relation with them.
-I couldn't agree with you more.
A. in order to B. even though C. so that
答案：C
解析：狀語從句常規題，根據句義選擇即可。多陪陪家人，這樣我們關係就會越來越好。原因和結果。
（ ）14. -Mum, we'd better start out early__________we can't miss the flight.
-All right,dear.
A. even though B.so that C. what if
答案：B
解析：狀語從句常規題，根據句義選擇即可。早出發，是為了不遲到，表示目的。目的狀語從句。
（ ）15. Your hearing will be badly hurt__________you always listen to music by earphone（耳機）.
A. whether B. where C.if
答案：C
解析：狀語從句常規題，根據句義選擇即可。如果你一直戴耳機，那耳朵就廢了。條件狀語從句。
（ ）16. Life is like a battle.__________we try our best to realize our dreams, we』ll fight through all the difficulties ahead.
A. As long as B.As soon as C. As well as
答案：A
解析：狀語從句常規題，根據句義選擇即可。只要我們努力，我們就會戰勝困難，條件狀語從句。
（ ）17. -My brother was so excited__________he received an invitation from his friend in France yesterday.
-So he was.He was looking forward to having a visit to Paris.
A.that B.when C. though
答案：B
解析：狀語從句常規題，根據句義選擇即可。收到邀請函的時候，很激動，時間狀語從句。
（ ）18. They flew there__________they would be in time to attend the graduation ceremony.
A.in order to B. in order that C.since then
答案：B
解析：狀語從句常規題，根據句義選擇即可。後面是一個句子，目的狀語從句。
（ ）19. Dear boys and girls, please read the paper carefully.__________you read the passages carefully enough, you will get the good grades. Cheer up!
A.As soon as B. As long as C. As well as
答案：B
解析：狀語從句常規題，根據句義選擇即可。只要認真讀題，成績都能不錯。條件狀語從句。
（ ）20. -Mike, what were your parents doing at 8:00 last night?
-My mother was reading__________my father was playing computer games.
A. when B.as long as C. while
答案：C
解析：狀語從句常規題，根據句義選擇即可。While連接兩個進行時，表示動作的對比。
作者：王興剛老師，前高校英語教師，現教育行業創業者，英語教學16年。本公眾號的日常推文主要包括：關於教育問題的理解與感悟，關於英語知識的梳理和剖析，關於英語考點的講解與總結。覺得文章專業、有價值，請點個 在看 再走吧！