After a day’s hard work I often dance________soft music to relax myself．
| A．at |
| B．for |
| C．to |
| D．with |
Did you know _____?
A. how much did the bike cost
B. where he lives
C.if he bought a camera yesterday
Look! There is a pet dog____on the ground.Let’s go and play with it.
A. lie B. lay C. lying
I don’t know _____
A. where does he come from
B. what is his name
C. how old he is
Money is important in my life. But it isn’t _____ to me.
A. everything B.nothing C.anything
---Which sign can’t be seen on the road? ---_____.
A. 
B. 
C. 