---Who’s that man ______a white shirt? ---He is Mr. Wu.
Smoking is bad for your health. You should ______________.
We will be away for two weeks because we’ll have a ____________.
---Travelling by plane is _________ than travelling by train. ---Yes, but it is not so ___________ as travelling by train.
Liu Yan is good at math. He always writes __________ in the test.
---The shoes don’t fit me. Would you please show me ______? ---Sure. Here you are.