单项选择题

Mother insisted that______.

A．they are to be back before nine in the evening
B．they ought to be back before nine in the evening
C．they be back before nine in the evening
D．they had to be back before nine in the evening

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热门试题

单项选择题

Henry looked very much ______ when he was caught cheating in the biology exam.

A．discouraged
B．embarrassed
C．disappointed
D．bewildered

单项选择题

I'm not ______ to lift the heavy box.

A．short enough
B．enough tall
C．health enough
D．strong enough