A. put down B. put away
C. put up D. put off
21. D
解析:这句话的意思是:会议要推迟,因为老板还没有从美国回来。put off表示“推迟”,符合题意。put down表示“记下,镇压”,put away表示“收起”, put up表示“建造,举起”。
结构分析:
The meeting是主语,was put off是被动谓语(过去一般时),because引导原因状语,the boss是主语,didn’t come back是谓语(过去一般时),from America是状语。
A. look forward to B. look at
C. look after D. look for
Ambulance sirens wail almost incessantly, the hospitals are swamped and the sports stadium has been turned into a 250-bed field hospital.【The Guardian】
这个假期,不能再错过:我能学会英语语法
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