The question that puzzled them is ____ they can get rid of the air pollution in the area.
| A．how is it that | B．that how | C．that it is how | D．how it is that |
相关试题
The World Wid
e Web is sometimes jokingly called the World Wide Wait because it ______
be very slow.
| A．should | B．must | C．would | D．can |
—Mum, where is my toy train? You promised.
—_____, my but you know mum is pretty busy today. Tomorrow, OK?
| A．So it is | B．So is it | C．So did I | D．So I did |
As long as you’ve paid _________ advance we won’t charge you _________ delivery.
| A．by: for | B．in; with | C．in; for | D．by; with |
At first he refused to admit he had stolen but when he was shown the videotape he ______ and admitted everything.
| A．broke down | B．broke away | C．broke up | D．broke out |
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