问题补充:
—Must we keep the window all the time?
—No, you don’t have to.
A. opening
B. opened
C. to open
D. Open
答案:
A. opening
B. opened
C. to open
(答案→)D. Open
解析:句意:我们必须一直开着窗户吗?--不,不必。Keep sth/sb adj保持……,这里需要填写形容词,所以填写open。故选D.
时间:2022-03-21 07:36:43
—Must we keep the window all the time?
—No, you don’t have to.
A. opening
B. opened
C. to open
D. Open
A. opening
B. opened
C. to open
(答案→)D. Open
解析:句意:我们必须一直开着窗户吗?--不,不必。Keep sth/sb adj保持……,这里需要填写形容词,所以填写open。故选D.