.No one knows when such a custom first __________.A．formedB．came into being C．wa

题型：不详难度：来源：

.
No one knows when such a custom first __________.

A．formed	B．came into being
C．was come into being	D．was forming

答案

解析

略

举一反三

—Your school is really wonderful.
—Yes, it’s very modern. And every student has free ________ to the school library.

A．access

B．chance

C．privilege

D．right

题型：不详难度：| 查看答案

Are the two glasses believed________by Tom?

A．broken

B．to be broken

C．to break

D．to have been broken

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The chief________of the year 2010 for Shanghai will be the Expo.

A．incident

B．event

C．affair

D．accident

题型：不详难度：| 查看答案

Many old Chinese people have the concept of ________ some money for their future use.

A．picking up

B．setting aside

C．putting off

D．setting up

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.
By around 900 AD,there were many places in Northern Europe______the Vikings chose to live.

A．in which

B．when

C．which

D．at which

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