Everypossiblemeanstopreventthe

Every possible means __________ to prevent the air pollution, but the sky is still not clear.

A．is used	B．are used
C．has been used	D．have been used

登录免费查看答案和解析

相关试题

The physics teacher once said that we first _____the lightning followed by thunders because light ______ faster than sound.

A．see; traveled	B．saw; traveled
C．saw; travels	D．see; travels

收藏答案/解析

You'd better _______ your score and see if you have passed the exam.

A．add up	B．add to
C．add up to	D．add

收藏答案/解析

Would it be for you to pick me up at four o’clock and take me to the airport?

A．free	B．vacant
C．handy	D．convenient

收藏答案/解析

— Excuse me, what's the time for Train 8201?
— It _____ at seven and you can wait in the hall.

A．left	B．leaves
C．will leave	D．has left

收藏答案/解析

Li Hua has succeeded in the entrance examination and his dream ______ being a university student will ______.

A．about; be true

B．from; turn into practice

C．in; become a fact

D．of; come true

收藏答案/解析

推荐套卷

热门套卷