单项选择题

The professor requests that we ______ the term papers by the end of this month.

A．hand in
B．will have handed in
C．to hand in
D．will hand in
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单项选择题
His mother asks him to do morning exercises, but he is not used to ______ early in the morning.
A．get up
B．getting up
C．be gotten up
D．being gotten up
单项选择题
So little ______ about China that ho could not find Beijing in the world map.
A．the foreigner knew
B．did the foreigner know
C．the foreigner has known
D．has the f0ieigner known
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