Years ago we didn't know this, but recent science study ________that people who don't sleep well soon get ill.
| A．showed | B．will show | C．has shown | D．is showing |
相关试题
Ann ______ here any more．She left last month．
| A．won't work | B．doesn't work | C．hasn't worked | D．isn't working |
The conference aims to develop business and let people think about _____ they can have a
positive influence on the planet．
| A．why | B．that | C．what | D．how |
—Can I ask you a few straightforward questions about yourself？
—No problem．I like ______ when people are open and direct．
| A．that | B．this | C．it | D．them |
They went on well at first but eventually everything ______ they had worried about happened．
| A．which | B．what | C．that | D．When |
during the last two weeks．相关知识点
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