单项选择题

Medical research has shown that the widespread of use of cigarettes contributes（）the increase of cancers.

A、 towards
B、 for
C、 with
D、 to

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单项选择题
The public got angry at the news that the criminal had gone abroad without（）

A、 being punished
B、 punishing
C、 having punished
D、 punished
单项选择题
How close parents are to their children（）strong influence on the character of the children.

A、 have
B 、had
C、 has
D、 having
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