Before the coming YSL auction, the Christie’s Auction(拍卖) Company had advertised

题型：不详难度：来源：

Before the coming YSL auction, the Christie’s Auction(拍卖) Company had advertised all of the articles ______ including the Chinese heads of Rabbit and Rat.

A．having sold

B．to be sold

C．selling

D．sells

答案

解析

略

举一反三

Scientists ______ SARS for several months before a major discovery was made in the field.

A．had been studying	B．have been studying
C．have studied	D．are studying

题型：不详难度：| 查看答案

The task _____ more difficult than we expect.

A．proved to

B．proved us

C．was proved

D．proved

题型：不详难度：| 查看答案

Some teenagers _______ their health because they often expose themselves to so many electric products.

A．have damaged

B．are damaging

C．damaged

D．will damage

题型：不详难度：| 查看答案

30. The subway __________in our city, and I’m sure there will be fewer traffic jams in the future.

A．is building

B．is built

C．is being built

D．will build

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What I said and did at your house last night_________just between you and me.

A．is

B．are

C．have been

D．had been

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