Andrewwasafraidtofilltheroomwithwateragain,sohe       ...

問題詳情：

 Andrew was afraid to fill the room with water again, so he         the pipe carefully.

A. put on       B. put out               C. put in       D. put off

【回答】

C

知識點：動詞和動詞短語

題型：選擇題