The girl has a great interest in sport and _____ badminton classes twice a week over the last three years.
| A．took | B．is taking |
| C．takes | D．has been taking |
The teaching building of our school_____ for many times.
| A．has been added to | B．has added to |
| C．has been added up to | D．has added up to |
We saw a film yesterday afternoon , _____we had supper in a nearby restaurant.
| A．when | B．which | C．before it | D．after which |
There comes a time in every man's life_____.
| A．that he needs to think | B．when he has to think |
| C．therefore he has to work hard | D．then he will need it |
Although he knew little about the large amount of work done in the field, he succeeded_____ other more well-informed experiments failed.
| A．which | B．that | C．what | D．where |
On the third floor there are two rooms, _____ is used as a meeting-room.
| A．one of them | B．the largerof which |
| C．and a larger of of them | D．the largest one of which |