The problem requires ______.A．studying with great careB．to study carefullyC．to
题型：不详难度：来源：
The problem requires ______.| A．studying with great care | B．to study carefully | | C．to be studied without carelessness | D．taking great care of studying it |
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答案
| A |
解析
| 本题考查动词用法。句中require doing =" require" to be done，表示要求做某事。根据句意选择A。句意：问题要求仔细地研究。 |
举一反三
_____ carelessly, the boy made mistakes here and there. .| A．being written | B．Wrote | C．Write | D．Writing |
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He would rather ______ his parents with their housework than _____ out to play games.| A．to help, to go | B．help, go | C．help, to go | D．to help, go |
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The boy had his leg _____ while ____ football.| A．broken, playing | B．break, play | C．broken, played | D．broke, was playing |
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He is ill. He has kept_____.| A．coughing all along | B．to cough at night | | C．cough since yesterday | D．being coughed day and night |
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It is no use ____ without _____.| A．to talk, doing | B．taking, being done | | C．talking, doing | D．being talked, being to do |
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