________ to take this adventure course will certainly learn a lot of useful skills.

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Follow your doctor's advice, ________ your cough will get worse.

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--Why does she always ask you for help?

--There is no one else ________, is there?

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It's time we ________ our work.

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There was no one in the dark street ________ she could turn for help.

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________ snacks and drinks, but they also brought cards for entertainment when they had a picnic in the forest.

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Not only ________ interested in football but ________ beginning to show an interest in it.

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A．the teacher himself is; all his students are

B．the teacher himself is; are all his students

C．is the teacher himself; are all his students

D．is the teacher himself; all his students are

Not only ________ us grow up tall and strong but it also gives us a sense of fair play and team spirit.

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It is worth much ________ is worth doing.

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--How did you find the music she played at the concert?

--Wonderful. It's ________ worth ________.

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