问题
选择题
I promised to get there before 5 o’clock, but now the rain is pouring down. They ______ for me impatiently.
A．may wait
B．ought to wait
C．could wait
D．must be waiting
答案
答案：D
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I promised to get there before 5 o’clock, but now the rain is pouring down. They ______ for me impatiently.
A．may wait
B．ought to wait
C．could wait
D．must be waiting
答案：D