题目内容
Glass milk bottles can be used again and again, but they need __________ thoroughly, ____they?
A. to clean, needn’t B. cleaning, don’t C. clean, aren’t D. cleaned, can’t
B
解析:
need doing sth中 need是实义动词,构成反意疑问句要用do或don’t。
练习册系列答案
相关题目