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单项选择题

Our teacher had us ______ a report on our investigation of the case.

A．write
B．to writing
C．to write
D．written
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热门试题

单项选择题In English vocabulary, words of French ______ are not rare.

A．source
B．resource
C．birth
D．origin

单项选择题At dusk they reached ______ small village ______ east of ______ Tai Mountain.

A．a; /; the
B．a; /; /
C．the; the; the
D．the; an; an