—Haveyoucleanedyourroom?—Notyet.ButI　　　itinhalfanhour.A...

问题详情：

—Have you cleaned your room?

—Not yet. But I　　　it in half an hour.

A. cleaned                                               B. have cleaned

C. will clean                                             D. clean

【回答】

C。考查动词时态。根据时间状语in half an hour可知要用一般将来时态。

知识点：动词时态

题型：选择题