They spend too much time ________ their homework.
| A．writing | B．to write |
| C．on writing | D．write |
There __________another English party next Sunday.
| A．are going to be | B．was going to be |
| C．is going to be | D．were going to be |
________ people died in the war.
| A．Two thousands | B．Thousands of | C．Two thousands of | D．Two thousand of |
---How long have you been running ? ---Since ______ .
| A．two hours | B．two hours ago | C．I am ten years old | D．for two hours |
He said he_____ to my home in a week.
| A．would come | B．came | C．comes | D．will come |
Sally has been swimming ______ four hours.
| A．for about | B．since | C．about | D．/ |