单项选择题

He _______ the test, but he wasn"t careful enough.

A．must have passed
B．were able to pass
C．had passed
D．could have passed
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单项选择题
The food smells very good, but what does it _________ like
A．bite
B．eat
C．taste
D．chew
单项选择题
_______，we decided to go swimming in the sea．
A．It being a fine day
B．The day was fine
C．It was a fine day
D．Being a fine day
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