The forests can stop the soil ________ into the rivers.

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If you take my ________, you won't tell anyone about it.

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When she was a little child, she was so shy that she didn't speak in ________ public.

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The news that he hasn't come yet added ________ his anxiety.

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My parents will let me ________ Persian cat.

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A．to have　　B．have　　C．having

When free, I'd like to enjoy ________ in the sun.

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A．to sit　　B．sit　　C．sitting

Taking a long walk before going to bed can help you ________ before a big exam.

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A．relaxed　　B．relaxing　　C．relax

Cats can be a lot of ________ when they are kept at home.

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A．trouble　　B．troubles　　C．the troubles

What ________ you do if you were in the desert?

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A．will　　B．do　　C．would

He explained ________ that a new teacher would come soon.

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