We must find ways to prevent the poisonous gases ________ polluting the air.
A: in
B: with
C: from
D: of
A: in
B: with
C: from
D: of
C
举一反三
- Ways must be found to prevent the poisonous gases ________ polluting the air. A: in B: on C: from D: at
- They took _______ measures to prevent poisonous gases from escaping.
- We must prevent them ___ making trouble A: on B: behind C: from D: for
- One of the ways to reduce the amount of greenhouse gases that we put into the air is to buy products that don't use as much energy.
- We must do everything possible to prevent such things from ________ again.
内容
- 0
Electric vehicles will save a lot of air ______ because there will be no emission of CO2 in the air. A: pollute B: polluted C: pollution D: polluting
- 1
Whenever we use electricity, we put greenhouse gases into the air.
- 2
The(poison) ___ gases from the cars have polluted the air.
- 3
Why should we reduce the amount of greenhouse gases that we put into the air?
- 4
We must do everything possible to prevent such things from ________ again. A: happening B: to happen C: being happened D: happen