When we use electricity, wu put greenhouse gases______ the air.
A: away
B: off
C: on
D: into
A: away
B: off
C: on
D: into
举一反三
- Whenever we use electricity, we put greenhouse gases into the air.
- Only when the factories use electricity, they put greenhouse gases into the air.
- Why should we reduce the amount of greenhouse gases that we put into the air?
- 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.
- Whenever we use electricity, we greenhouse gasesthe air. A: put...into B: take...into C: turn...into