The milk must be preserved at this temperature until it ____.
| A．will process | B．is processed | C．has processed | D．had been processed |
This is an unpleasant subject _______ we might argue for a long while.
| A．in which |
| B．with them |
| C．about which |
| D．with it |
Most parents forbid their children_______ much time TV. They think it's a waste of time.
| A．to spend; to watch |
| B．spending; watching |
| C．to spend; watching |
| D．spending; to watch |
He_______ his students lessons though he was not feeling well.
| A．insisted on giving |
| B．insisted to give |
| C．insisted to giving |
| D．insisted given |
It was 8 o'clock and she was _______ to find the boys who were not at home.
| A．crazy |
| B．happy |
| C．rude |
| D．upset |
The road_______ for vehicles is under repair. Drivers are required to take some other routes.
| A．meaning |
| B．meant |
| C．to mean |
| D．being meant |