Trees are useful to man mainly in three ways, the most important of which is that they can protect ______ from droughts (干旱) and floods.
| A．it | B．itself | C．himself | D．him |
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When I left _________ college, I got a job as _________ journalist in a magazine office．
| A．a; the | B．/; a | C．the; a | D．/; the |
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The child walked quietly to the bird. ________into the forest when he was about to catch it.
| A．Flew it away | B．Away flew it | C．Flew away it | D．Away it flew |
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You spent 300 yuan on a pair of cotton gloves. Such a pair of cotton gloves___________be worth so much.
| A．mustn't | B．wouldn't | C．can't | D．needn't |
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With more forests being destroyed, huge quantities of good earth___________ each year.
| A．is washing away | B．are being washed away |
| C．are washing away | D．is being washed away |
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It is reported that the United States uses___________ energy as the whole Europe.
| A．as twice more | B．twice more as | C．twice much as | D．twice as much |