—Couldyoupleasenotspeakloudly?Thereisababy

問題詳情：

— Could you please not speak loudly? There is a baby ____ in the next room. 

     — Sorry. I won’t.

A. sleep             B. slept          C. to sleep           D. sleeping

【回答】

D

知識點：構詞法

題型：選擇題