Children’s brains cannot develop properly _________ they lack protein.
| A．because | B．since | C．when | D．unless |
相关试题
Is__________ with these troubles in mind__________ the Royal Society called for the world’s governments to investigate geo-engineering as a “Plan B”?
| A．it,that | B．that,it | C．that,what | D．what,that |
Mobile phones and the internet have made__________ simple to contact a friend, relative or colleague wherever they are in the world
A. that B. this C. them D it
Paramedics were able to__________ his heart and get him breathing before airlifting him to hospital.
| A．repeat | B．regain | C．restart | D．review |
The manager raised his voice __________ he could be heard clearly.
| A．in order to | B．in order that | C．so as to | D．make sure |
ocal authorities and it is a situation __________ we will keep a very close eye on.推荐套卷
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