单项选择题

When he saw all his books here and there on the floor, he knew that something terrible ______

A．lying; must have happened
B．lie; must happen
C．lay; might have happened
D．had lain; could have happen
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单项选择题
She never spends any time ______ clothes. All her time is spent ______ studying.
A．in, in
B．in, on
C．on, in
D．on, on
单项选择题
I have ______ homework to do this weekend.
A．much too
B．too many
C．many too
D．too much
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