题目内容

沉默的螺旋证明了大众传播的效果是强大的。

A. 对
B. 错

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English _____all around the world.

A. speak
B. is spoken
C. Spoken

The buildings_______built by us.

A. were
B. was
C. Is

These desks will be ____ by his father tomorrow.

A. repair
B. repaired
C. repairing

A machine_____repaired by his father now

A. Is
B. is being
C. was

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