When the teacher found some of his students getting nervous at the examination, he told them to ____  
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A
take is seriously
B
take it easy
C
mind their business
D
come to the point
推荐题目
Mother Teresa has ____ for the poor.
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A
devoted to care
B
devoted to caring
C
been devoted to caring
D
been devoted to care
The stones each ________ as much as two tons.
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A
weighs
B
are weighed
C
weigh
D
is weighed