Question

【题目】Look! The workers ________ some subways now. the traffic in Nanning will be better soon.

A. build B. built C. are building D. were building

Answer 1

【答案】C

【解析】

试题分析：句意：看！那些工人现在正在建造地铁。南宁的交通很快就会变的更好。A. build动词原形；B. built动词的过去式；C. are building现在进行时态；D. were building过去进行时态。根据look,可知此时的动作正在发生，所以用现在进行时，故选C。