题目内容
--- Where are the students ? How could they keep us waiting for so long?
--- They started an hour ago and they____ be here in fifteen minutes, I think.
A. might B. would C. should D. must
C
解析:
should在这里表示预期,“应该会,可能”。can表示有能力做或能够发生;would表示想象中的结果;must表推测,或表必须。
练习册系列答案
相关题目