What worried the child most was ________ to visit his mother in the hospital.

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He spoke English well indeed，but of course not ________ a native speaker.

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My advisor encouraged ________ a summer course to improve my writing skills.

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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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Because the shop ________, all the T-shirts are sold at half price.

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--What’s the terrible noise?

--The neighbours ________ for a party.

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--You’re drinking too much.

--Only at home. No one ________ me but you.

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I ________ ping-pong quite well, but I haven’t had time to play since the new year.

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--When will you come to see me, Dad?

--I will go to see you when you ________ the training course.

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The number of deaths from heart diseases will be reduced greatly if people ________ to eat more fruit and vitamins.

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