Great changes______ in the city since1970.
| A．have been taken place | B．have taken place. |
| C．has taken place | D．took place |
---What do you think of the concert given by the artist?
---Exciting, _______ one piece of the music wasn’t played quite well.
| A．though | B．unless |
| C．because | D．since |
________ good time it is to spend so much time on computer games!
| A．What | B．How a | C．What a | D．How |
The place ________ interested me most was the Children’s Palace.
| A．what | B．where |
| C．which | D．in which |
---Who’s that at the door, Tony?
---________ is the postman, I think.
| A．He | B．It | C．This | D．That |
The plan they are talking about _________ improving greatly.
| A．need | B．needs |
| C．needing | D．needed |