问题
选择题
The train ________ arrive at 11∶30, but was an hour late.
A．was about to
B．was likely to
C．was supposed to
D．was certain to
答案
C
be supposed to do sth应该做某事
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The train ________ arrive at 11∶30, but was an hour late.
A．was about to
B．was likely to
C．was supposed to
D．was certain to
C
be supposed to do sth应该做某事