单项选择 适中0.65 引用12 组卷1087
In order to find the missing child, villagers _____ all they can over the past five hours.
| A．did | B．do |
| C．had done | D．have been doing |
2012·安徽·高考真题
类题推荐
Tom ____on the essay for two hours but he _____only a hundred words by now.
| A．has been working;has written | B．has been working;writes |
| C．worked ;written | D．worded;writes |
In addition to filling stomachs of his family, he _________himself to improving the quality of the homeless people’s life for years,
| A．has been devoting | B．would devote |
| C．is devoting | D．devotes |
When I was at college I ______ three foreign languages, but I ______ all except for a few words of each.
| A．spoke; had forgotten | B．spoke; have forgotten |
| C．had spoken; had forgotten | D．had spoken; have forgotten |
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