Swimming alone ___be ____dangerous. Do be careful.A．need; highlyB．may; highC．can
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Swimming alone ___be ____dangerous. Do be careful.| A．need; highly | B．may; high | C．can; highly | D．can; high |
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答案
| C |
解析
| 考查情态动词can表理论上的可能性。Need需要；may可以；can可能，表理论上的可能性。句意：独自游泳可能会很危险。一定要小心。Dangerous是形容词，所以要用副词修饰。所以选C。 |
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