My father goes to work ______ every day.
A. by a bike
B. in a bike
C. on a bike
— How do you improve your writing skills?
—_________ .
| A．I have trouble in reading | B．It’s a bit difficult |
| C．I like the movie best | D．By finding a pen pal |
I have spent______ on this job. I think I can finish it______this afternoon.
| A．sometime; sometime | B．sometimes; some time |
| C．some time; sometime | D．some times; sometime |
Boy, didn’t you see people were waiting in line? Don’t______in!
| A．push | B．pull |
| C．put | D．carry |
The weather is bad. You shouldn’t risk _______ mountains.
| A．to climb | B．for climb |
| C．for climbing | D．climbing |
------Have you read the______ of the country you are going to?
------Yes. Now I know it’s a country famous for natural beauty.
| A．introduction | B．instruction |
| C．interview | D．conclusion |