题目内容
19.We'd better fill up the tank ahead of time,because it _______ run out of gas on the way.( )A. | must | B. | might | C. | would | D. | should |
分析 考查情态动词,句意:我们最好提前把油箱加满,因为汽油可能在路上耗尽.
解答 答案B,must"一定,偏偏,必须",表示推测时,语气很强,"一定";might"可能"表示推测时,语气比must弱;would"过去常常会";should"应该",表示推测时,指"按道理说应该",根据句意"我们最好提前把油箱加满,因为它可能在路上耗尽汽油"应该选B.
点评 情态动词每个词的用法要牢记.
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