It’s sunny today, just right for______.
| A．to camp | B．camps | C．camped | D．camping |
William usually goes to school________．
| A．on bike |
| B．ride a bike |
| C．on a bike |
| D．ride bike |
It’s quite exciting________me________the Internet．
A．for，surf
B．for，to surf
C．for，for surf
The river is about six thousand six________and seventy kilometers long．
| A．hundred |
| B．a hundred |
| C．hundreds |
| D．hundreds of |
—Thanks________joining the Talk Show！
—You’re welcome．
| A．by |
| B．on |
| C．of |
| D．for |
The accident happened________7 p．m．________9 p．m．
| A．from，to |
| B．between，to |
| C．from，and |
| D．between，and |