A. have run out
B. are running out
C. have been run out
D. are being run out 【解析】选B。分析题干语境可知,食品供应即将耗尽。run out为不及物动词短语,不能使用被动形式,由此可排除C和D两个选项。B选项为现在进行时态,可以表示将来,符合题意。因此,正确答案为B选项。 考点4:主动表被动的若干情形 例1:— Shall we go fishing tomorrow? — Sounds great, but with so much homework ______, I really can't afford the time.
A. done
B. to do
C. being done
D. doing 【解析】选B。“with+宾语+不定式”结构中的不定式表示将来,且常用主动表被动。 考点4:主动表被动的若干情形 例2:This machine is very easy ______. Anybody can learn to use it in a few minutes. (2012·辽宁卷 29)
A. operating
B. to be operating
C. operated
D. to operate 【解析】选D。在句型“主语+be+adj.+to do”中,如果这个主语是动词do的逻辑宾语,常用主动表被动,所以选D。 考点5: 双宾语动词的被动语态
She was ______ the bike for 25 dollars,but she wouldn't take it.
A. provided
B. supplied
C. offered
D. gave 【解析】选C。 offer 作“出价,开价”讲,常有offer sb. money for sth.和offer sb. sth. for money两种搭配。此处是将后者用于被动语态中。 考点6:短语动词的被动语态 — Why does Lingling look so unhappy? — She ______ by her classmates.
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