when的特殊用法

when的特殊用法
1.虽然，尽管
He walked when he might take a taxi .
2. 一..就
We will stand up when teacher comes in .
3. 正在那时….突然
…be doing…. when …正在。。。 这时。。。
…be about to do… when … 正打算做.. 这时..
… be just going to do.. when… 正要…这时
… had just done … when.. 刚做了..这时
… be on the point of doing .. when 正要…这时


1.I was about to swim in the river ____ the guide told me there were man-eating fish in it .
A. while B. when C. as D. at this time
2. I was walking along the river ____ I heard a cry for help .
A. while B. since C. when D. as
3. We were swimming in the lake ______ suddenly the storm started .
A. when B. while C. until D. before
4.Jasmine was holidaying with her family in a wildlife park _____ she was bitten on the leg by a lion .
A. when B. while C. since D. once
5. I had just stepped out of the bathroom and was busily drying myself with a towel ____ I heard the steps .
A. while B. when C. since D. after
6. He was about halfway through his meal ____ a familiar voice came to his ears .
A. why B. where C. when D. while
7. How can you expect to learn anything ____ you never listen ?
A. in case B. even if C. unless D. when
8.----Why do you want a new job ____ you’ve got such a good one already ?
----- Well , I’m not satisfied with it’s working environment .
A. if B. unless C. when D. while
9. It’s really annoying ! We _____ the internet when there was a power out .
A. surfed B. have been surfing C. were surfing D. had surfed
10.He ______ along the seaside _____ a tsunami came .
A. walked , when B. is walking , as C. was walking , when D. was walking , while
11. Jack had flown thousands of miles ____ his engine failed and he was forced to land on the desert .
A. when B. after C. since D. as
12.On a rainy day I was driving north through Vermont _____I noticed a young man holding up a sign reading “ Boston ”.
A. which B. while C. when D. as
13. She opened her eyes with a start and was about to cry out ____ she heard her father urgently telling her to keep quiet .
A. while B. when C. before D. after
14.--- Where’s that report ?
---- I brought it to you _____ you were in Mr. Black’s office yesterday .
A. if B. when C. because D. before
15.I used to love that film _____ I was a child , but I don’t feel it that way any more .
A. once B. when C. since D. although
16.There were some chairs left over ____ everyone had sat down .
A. when (虽然)B. until C. that D. where
(B)　１７．Ｊｅｎｎｙ　ｈａｄ　ｊｕｓｔ　ｗａｌｋｅｄ　ｏｕｔ　ｔｈｅ　ｃｌａｓｓｒｏｏｍ＿＿＿＿＿＿　ｓｈｅ　ｈｅａｒｄ　ｈｅｒ　ｄｅｓｋｍａｔｅ　ｃａｌｌｉｎｇ　ｈｅｒ　ｔｈａｔ　ｓｈｅ　ｈａｄ　ｈｅｒ　ｍｏｂｉｌｅ　ｏ

ｎ　ｔｈｅ　ｄｅｓｋ　．
Ａ　ｗｈｉｌｅ Ｂ．　ｗｈｅｎ Ｃ．　ａｓ Ｄ．　ｔｈｅｎ