单选题
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试题题干

The airplane( )to take off at 11:30, but it was an hour later.

A

supposes

B

supposed

C

was supposed

D

is supposed

参考答案

正确答案:

试题解析

本题考查固定用法。be supposed to do sth.:应该做某事。根据后半句中的was可以判断出时态应该是一般过去时,所以选择C选项。

句意:这架飞机应该11:30起飞,但是它晚了一个小时。