__ pollution is the key to __ the country a comfortable and clean place to live inA.To control; keepb.To control; keepingc.Control; keepingd.Controlling; keep为什么不选D呢,选哪个啊,
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__pollutionisthekeyto__thecountryacomfortableandcleanplacetoliveinA.Tocontrol;keepb.Tocontrol;keepin
__ pollution is the key to __ the country a comfortable and clean place to live inA.To control; keepb.To control; keepingc.Control; keepingd.Controlling; keep为什么不选D呢,选哪个啊,
__ pollution is the key to __ the country a comfortable and clean place to live in
A.To control; keep
b.To control; keeping
c.Control; keeping
d.Controlling; keep
为什么不选D呢,选哪个啊,
__ pollution is the key to __ the country a comfortable and clean place to live inA.To control; keepb.To control; keepingc.Control; keepingd.Controlling; keep为什么不选D呢,选哪个啊,
答案是 B the key to 中to 介词,后跟动词的ing形式,只能选B ,to control 是不定式作主语.
因为key to 后面应接名词或动名词,所以不选D, C中Control是动词原形,也不行, 只能选B
to control 表目的
选a啦,动词不定式作主语表示还没开始进行的动作,后面是动词不定式表目的。
There __(not be) more pollution if there is fewer cars in the street
We __ __ __ __ __ the news :high levels of air pollution,__ __ __ not suitable for swimming..
why air pollution is the most serious?
The pollution in Lijiang is very few.
the problrm of what must ___ to stop pollution is __ again and again at our discussiona) be done ...raisedb) do ...raisedc) be done ...raised) do...raise
the environment is becoming worse and worseThe environment is becoming worse and worse .There are many kinds of pollution that I worry a .The most serious two are n pollution and air pollution ,because people can’t live h __ with dirty water and po
the pollution of SO2 is now the most dangerous problem of air pollution
__ pollution is the key to __ the country a comfortable and clean place to live inA.To control; keepb.To control; keepingc.Control; keepingd.Controlling; keep为什么不选D呢,选哪个啊,
it is (t )the pollution is worse and worse
用英文回答what is the cause of water pollution?
The air is filled with pollution同义句
Pollution is a big p___ for the party
The local government is making a s___ of river pollution
Lt is true that a____ pollution is still the most s___ now,but it is only one kind of pollution.
The book is so dear that i can't buy it(变简单句)1:__ __ __ __ __ __ __ __ __2__ __ __ __ __ __ __ __ __
contamination,pollution--- the differences
There is a bowl of rice in the fridge. a 提问 __ __ __ __ __ __ in the fridge?
There is a bowl of rice in the fridge.a 提问 __ __ __ __ __ __ in the fridge