When I was at school, I _____ up very late, reading storybooks.
| A．used to stay | B．was used to stay |
| C．used to staying | D．am used to staying |
— Have you ever been to the Summer Palace?
— I can’t quite remember. _______, it might have been during my childhood.
| A．If any | B．If ever |
| C．If possible | D．If so |
— Your windows are still open? It’s so cold!
— Oh, sorry. They_______ .
| A．aren’t closing | B．won’t close |
| C．won’t be closed | D．aren’t closed |
We believe the time and hard work _______ in completing such an important project are worthwhile.
| A．involved | B．involving |
| C．to involve | D．to be involved |
— Are you in favour of Tom’s suggestion_______ we work around the clock to meet the deadline?
— No. But ______ Jimmy suggested to me sounds practical.
| A．which; what | B．that; that |
| C．which; that | D．that; what |
We attend lectures in the school meeting room at weekend _______ seats more than 800 students.
| A．which | B．whose | C．where | D．it |