29.Newwaystopreventtheriver.A．

29. New ways _____ to prevent the river _____.

A．have found out, from polluting

B．have found, from being polluted

C．have been found out, from being polluted

D．have been found, from being polluted

登录免费查看答案和解析

相关试题

In my home breakfast ______ at 7 o’clock, which has ______ unchanged for 20 years.

A．ordered; lasted	B．is served; remained
C．serves; stayed	D．is ordered; developed

收藏答案/解析

— It seems that you are familiar with this city.
— I ______ English in a high school here for three years. It' s great to be back!

A．have taught	B．have been teaching
C．had taught	D．taught

收藏答案/解析

Money is a needful and precious thing, and when ______, a noble thing, but I never want you to think it is the first or only prize to strive for.

A．well used	B．well using
C．to well use	D．being well used

收藏答案/解析

It was sad to me that they, so poor themselves, ___________ bring me food.

A．might

B．would

C．could

D．should

收藏答案/解析

______ the terrible earthquake in Japan not happened, people’s awareness _______drawn to the risk of being exposed to nuclear radiation.

A．If; wouldn’t have been	B．If; wouldn’t have
C．Had; wouldn’t have been	D．Had; wouldn’t have

收藏答案/解析