单选题
第二章第一节:词法

The train      to arrive at 11:30, but it was an hour late.

A

was supposed

B

is supposed

C

supposes

D

supposed

查看答案
答案
正确答案:A
解析

句意:那趟火车应该十一点半到,但是它晚了一个小时。be supposed to do sth.意为  “应该做某事”,又因为本句时态为一般过去时,故选A。


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