The radio is too noisy. Would you please ______ a little?
- The air pollution is terrible.- It will be worse ________ we take action to protect the environment.
She has worked in this factory ______ she came here in 2010.
-I’m afraid the meeting has begun. -Don’t worry. It ___ until the bell ____.
In summer milk will quickly go bad _____it is put into a fridge.
I have heard a lot of good things about you _____ I came back from abroad.