The group in size over the past few years．A．doubleB．was doublingC．has doub

题型：不详难度：来源：

The group in size over the past few years．

A．double

B．was doubling

C．has doubled

D．is doubled

答案

解析

略

举一反三

The ground is _______ with _______ leaves.　

A．covering, falling

B．covered, falling　

C．covered, fallen

D．covering, fallen

题型：不详难度：| 查看答案

Were you _______ when you saw that wild animal?

A．fright　　　

B．frightening　　　

C．frightened　　　

D．frighten

题型：不详难度：| 查看答案

He reads newspapers every day to keep himself _______ about what"s going on in the world.

A．inform　　

B．informing　

C．informed 　

D．being informed

题型：不详难度：| 查看答案

I won’t go to the party even if_______.

A．inviting

B．being invited

C．invited

D．having invited

题型：不详难度：| 查看答案

　______a nurse, she knew how to take care of a patient.

A．Been

B．Being

C．To be

D．Be

题型：不详难度：| 查看答案