If it was not an accident, he must have done it .A．on purposeB．in commonC．on

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If it was not an accident, he must have done it .

A．on purpose

B．in common

C．on occasion

D．in time

答案

解析

略

举一反三

It snowed heavily for three days and they were separated from the outside world.

A．in the end

B．on end

C．by the end

D．at the end

题型：不详难度：| 查看答案

As is known to us, theory is based on practice and     servers practice.
A. by chance B. in turn   C. in return C. by turn

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a fire, hotel guests are asked to remain calm.

A．As a result of

B．In the event of

C．By reason of

D．In the time of

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He cut the cake .

A．in halves

B．in half

C．into halves

D．into half

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It was easier to move about the fringe of the crowd.

A．at

B．in

C．on

D．to

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