Are you enjoying ________ football?

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We came ________ two years ago.

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Are you free on Sunday ________ Friday?

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A．so　　　　B．but　　　　C．or

You'd better ________ your homework today.

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You must look after ________ and keep healthy.

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A．you　　　　B．your　　　　C．yourself

Bill wants to see the ________ very much.

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It's a duck, ________ a chicken.

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This boat ________ a duck.

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The Smiths often have supper ________ later than we.

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Some students are ________ swimming.

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