单项选择题

—Why is Tom absent now
—He must be sick,().

A.isn't he
B.is he
C.mustn't he
D.must he

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单项选择题

The doctor()me to spend a few days in bed.

A.proposed
B.made
C.suggested
D.advised

单项选择题

I have read one of his novels()a few of his plays.

A.but
B.for
C.as well as
D.or

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