He has lost the key to the drawer ____ the papers are kept.He has lost the key to the drawer ____ the papers are kept.A. whereB. in whichC. under whichD. whichthe key is Bwhy not A

熱心網(wǎng)友

這是一個(gè)定語(yǔ)從句，引導(dǎo)詞要看從句，主動(dòng)語(yǔ)態(tài)中，我們的表達(dá)方式是：We keep the papers in the drawer，改成被動(dòng)語(yǔ)態(tài)后，介詞in是不能省略的