Question

【题目】 The police had to employ force _______ the crowd got out of control.

A. the instant B.at the instant

C.in an instant D. for an instant

Answer 1

【答案】A

【解析】考查连词短语。句意：人群一旦失控，警察不得不动用武力。the instant 是连词短语，意为“一……就”；at the instant在那个瞬间；in an instant很快；for an instant一会儿。故选A。