—Have you ever heard of Langlang?—Sure. He is one of ______ pianists ______ I have even seen.
---How many ______are there near the house? ---None.
This is ____ interesting book and it is also ______ useful one.
---I’m going to take part in The Voice Of China (中国好声音) next month. ---_____________.I am sure you will win.
– How long have you _________the bicycle? -- For two weeks.
Smoking is bad for our health. You had better __________smoking.