The air in Beijing is getting much ______ now than a few years ago.
You should look left and right when you go ________ the road.
—Excuse me,________—Go along this street to the end,and you will see it on your left.
I ________ watch this TV programme(节目).It’s very interesting.
That is an old hotel,________ it is very clean and quiet.
—Could you tell me the way to the Science Museum,please?—Yes,walk along the street.You’ll see it ________ your left.