_____ is known to everybody, the moon travels round the earth once every month.

A. It                    B. As        C. That       D. What

 We are invited to a party _________in our club next Friday. 

A. to be held        B. held       C. being held       D. holding 

 It sounds like something is wrong with the car’s engine. ______ , we’d better take it to the garage immediately.

  A. Otherwise       B. If not       C. If possible        D. If so

 It is illegal for a public official (政府官员) to ask people for gifts or money_____ favors(恩惠，帮助) to them.

  A. in place of     B. in agreement with    C. in exchange for   D. in spite of 

 The living room is clean and tidy, with a dining table already_____ for a meal to be cooked.

  A. laid      B. laying     C. to lay      D. being laid

 Tom asked the candy makers (糖果制造商) if they could make the chocolate easier____ into small pieces.

  A. break      B. breaking     C . broken     D. to break

 Scientists are convinced______ the positive effect of laughter______ physical and mental health.

  A. of ; at      B. by ; in       C. of ; on     D. on ; at

 The prize will go to the writer______ story shows the most imagination.

  A. that      B. which       C. whose     D. what

 If we sit near____ front of the bus , we’ll have______ better view.

  A. /, the     B. /, a     C. the, a    D. the, the

请以“I have a dream”为题，根据以下提示用英语写一篇120词左右的短文。

1. 你的梦想是什么；2. 为什么这个梦想很重要；3. 你将如何实现它。

注意：标题已给出，不计入总词数。

I have a dream

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