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Iremenbered   thedoorbeforeIlefttheoffice,butforgottotu...

練習題3.19W

問題詳情:

Iremenbered   thedoorbeforeIlefttheoffice,butforgottotu...

I remenbered    the door before I left the office,but forgot to turn off the lights.(  )

A.locking  B.to lock

C.having locked    D.to have locked

【回答】

B

知識點:非謂語動詞

題型:選擇題