The big fire in Shanghai, believed to ______ due to the burning of construction materials, caused 58 deaths and destroyed all the belongings of the people there.
| A．have occurred | B．occur |
| C．have been occurring | D．be occurring |
相关试题
The headmaster didn’t make clear when and where the sports meeting would be held.
| A．this | B．that | C．it | D．one |
My friend, Tom, left New Yo
rk in 1976 and
since then.
| A．hadn’t been heard of | B．hasn’t been heard of |
| C．hasn’t heard of | D．hadn’t heard of |
We should keep an open mind about some strange old wives’ tales, they do have some truth in them.
| A．and | B．so | C．because | D．until |
, and the problem will be worked out.
| A．If you have a bit more effort | B．Having a little effort |
| C．A bit more effort | D．There being a little effort |
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