It was quite a long time______I recognized him.

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问题 It was quite a long time______I recognized him.

选项 A、after
B、before
C、when
D、since

答案B

解析 “It+be+时间名词+before/since’’从句句型中，连词before与since容易混淆。用 before引导时，句意是“过了多久才……”，主句中的be动词为过去时或将来时态；用since引导时，其句意是“自从……以来已经多久了”，主句中的be动词多为现在时(或现在完成时)或一般过去时(此时since从句要用过去完成时)。

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本试题收录于：公共英语二级笔试题库公共英语（PETS）分类

公共英语二级笔试

公共英语（PETS）

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It was quite a long time______I recognized him.

公共英语二级笔试

公共英语（PETS）

Hewas_______whenhespokeatthecompanydinnerlastyear.HedidnotstaywiththeWeightWatchersbecause___________.

Somebirdsliketositonasheepbecause____________.Whatdoesthesecondparagraphmainlydiscuss?

Somebirdsliketositonasheepbecause____________.Theunderlinedword"they"inthelastsentenceofthefirstparagraph

Mancannotpreventtheworldfrombeingpollutedbecause_________.Whatdoesthewriterreallywanttosayinthepassage?

Whatdoesthespeakerdomostprobably?

Whattimewillthewomanmostprobablyseetheman？

Itworriedmethattheletterhadnotarrived,especially________ithadneverhappenedbefore.

Whatisthetextabout?Whopaystosendoutletters?

A、tellyoutheexactdistanceifheknowsitB、tellyouitisclosealthoughheknowsitisn’tC、saythathedoesn’tknowanden

Theaimoftheteacheristogethispupilsasquicklyaspossibleovertheperiodinwhicheachprintedsymbol(符号)islookeda

Shemetwithnochallengebecauseherarguments______soundfacts.

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