----How terrible the air is!Yes,if there are ___trees, there will be ___air pollution in our city.
The ______ he is, the _______he feels.
He is not good at learning English and he always does his homework ______.
---How about watching TV at home? ------It’s too ____. Let’s play football.
They got up early_____ they could catch the early bus.
Which coat is _____ on me, the blue one or the black one ? --The blue one .