Isairpollutionseriousproblemno

Is _______ air pollution ________ serious problem now?

A．a, a

B．/, a

C．the, the

D．the, /

登录免费查看答案和解析

相关试题

— Is Russia _____ European country? — Yes, though a large part of it is in _____ Asia.

A．a； a

B．an； the

C．a； /

D．an； /

收藏答案/解析

--- Forgotten something? I can keep an eye on your kids if you want to go and get it.
---_____________.Thank you all the same.

A．It’s very nice of you.

B． Oh， how careless of me.

C． I might as well go and get it.

D． Well， I can do without it.

收藏答案/解析

--- ________ David be the new chairperson of the Students’ Union?
--- He _______ be， but I’m not sure.

A．Can； can’t	B．Can； may
C．May； must	D．May； mustn’t

收藏答案/解析

He has _______ little money that he can’t even afford to buy__________ little sheep.

A．so； so	B．such； such
C．so； such	D．such； so

收藏答案/解析

How lucky Peter was! Some policemen arrived in time and ________ him out.

A．tried to help	B．managed to help
C．tried helping	D．succeeded to help

收藏答案/解析