单项选择题

It is high time that the international community （）together to fight against terrorism.

A．work
B．works
C．worked
D．working

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单项选择题
How close parents are to their children （）a strong influence on the character of their children.

A．have
B．has
C．having
D．had
单项选择题
It is generally agreed that the Internet has brought people together （）.

A．more than any invention
B．than any other invention
C．than any other invention has
D．more than has any other invention
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