I often see lights in that empty house. Do you think I ________ report it to the police?

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I ______ pay Tracy a visit, but I am not sure whether I will have time this Sunday.

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-- Are you coming to Jeff's party?

-- I'm not sure. I ________ go to the concert instead.

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Which of the following is WRONG?

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A．He got up early so that he could catch the early bus.

B．He got up so early that he could catch the early bus.

C．He got up early enough to catch the early bus.

D．He got up early so he caught the early bus.

He has ________ little education that he can't teach ________ little children.

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My father was warned by the neighbours that we were ________.

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I ________ play ping-pong a lot in my spare time, but now I am interested in football.

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Rainforests ________ and burned at such a speed that they will disappear from the earth in the near future.

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--Have you moved into the new house?

--Not yet. The rooms ________.

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Things got so bad ________ that he decided to go to see a doctor.

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