__ 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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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