In the last few years, China ____ great achievements in environmental protection．
| A．has made | B．had made |
| C．was making | D．is making |
相关试题
There _____ be any difficulty in passing the oral test since you have practiced a lot in the school.
| A．mustn’t | B．shan’t | C．shouldn’t | D．needn’t |
The man had expected to see all his relatives when in hospital, but _______ came to see him while many of his friends offered him their help.
| A．none | B．no one | C．someone | D．anyone |
Due to circumstances ____ our control the performance has had to be cancelled.
| A．above | B．within | C．beyond | D．over |
Only those who have experienced hardship ____ well aware of what happiness means.
| A．can they be | B．they can be | C．can be | D．they can |
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