问题

155. In Beijing volunteers are making useof every minute to ______ their foreign languages because volunteers must passa written test and an interview.

A:polish up
B:take up
C:put up
D:make up

正确答案是：

同类题型

I don’t know _____ these old clothes

e of the Russian gas limit to Europe,attempts _______ to use botanical fuel as a source of power.

____ and we’ll get everything ready for the taking off.

下列关于文学常识的表述不正确的一项是（）

staying in hospital for long, thepatient was advised to go to the seaside tohis health