Hetriedhisbesttosolvetheproble

He tried his best to solve the problem, _______difficult it was.
A. however B. no matter
C. whatever D although

登录免费查看答案和解析

相关试题

I could tell he was surprised from the _____ on his face.

A．appearance

B．view

C．sight

D．expression

收藏答案/解析

We had a marvelous holiday: only the last two days were slightly _____ by the weather.

A．damaged

B．hurt

C．ruined

D．spoiled

收藏答案/解析

The book seems to have been _____ from various books and articles.

A．pieced together	B．taken off
C．broken away	D．pulled out

收藏答案/解析

As more and more cars are produced and used, so the _____ from their exhaust-pipes contains an even larger volume of poisonous gas.

A．exposure

B．distribution

C．expansion

D．emission

收藏答案/解析

He left in such a hurry that I _____ had time to thank him.

A．almost

B．even

C．nearly

D．scarcely

收藏答案/解析