Read the following sentences and the given choices and then pick out the most appropriate one.（认真阅读下面句子，选出最佳答案。）

You want to join our sports club. Please fill in the form and introduce yourself to our ________.

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A．club

B．form

C．coach

Read the following sentences and the given choices and then pick out the most appropriate one.（认真阅读下面句子，选出最佳答案。）

I like playing ________. I have two new rackets.

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A．tennis

B．volleyballs

C．computer games

You can use ________ to cut your long hair short.

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Children like playing ________ in their bedrooms.

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The girl is shy. She is ________ her mother now.

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Spring is coming. We should ________ many trees.

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Before you go to bed, please ________ your things in order.

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--________ has Joe been playing baseball?

--Since he was ten years old.

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A. How often

B. When

C. How long

--_________ did you start to play tennis?

--I started to play tennis when I was seven.

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A. When

B. How long

C. What time

Will there be _______ pollution than now?

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