Teachers are not happy when they find in class their students sending ________ to their friends by mobile phone.

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Helen always helps her mother even though going to school ________ most of her day.

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He works hard and others are also willing to help him so he is ________ to succeed.

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Living abroad for some years made him have ________ over others in applying for the job.

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His mother had thought it would he good for him to _________ from home and earn some money on his own.

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Are you going to ________ the challenge of lasting a whole week without arguing!

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My friend knows where he can ________ a good used car for you at a very reasonable price.

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I’m sorry I stepped outside for a smoke. I was very tired.

 There is no ________ for this while you are on duty.

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 Do you think the Stars will beat the Bulls? Yes. They have better players, so I ________ them to win.

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I ________ playing basketball every morning and it was also great ________ for me.

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A．practiced; exercise

B．exercised; practice

C．practiced; practice

D．exercised; exercise