The students have kept working for two hours. Ask them _____ a rest, please. [ ]A. have B. had C. ha

题目简介

The students have kept working for two hours. Ask them _____ a rest, please. [ ]A. have B. had C. ha

题目详情

The students have kept working for two hours. Ask them  _____ a rest, please.

[     ]

A. have
B. had
C. having
D. to have
题型:单选题难度:中档来源:北京模拟题

答案

D

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