Jack ________the bus as soon as it stopped，then to his joy he met his best friend at the station.
| A．got off |
| B．took off |
| C．got on |
| D．took on |
Teenagers _____ their health because they play computer games too much.
| A．have damaged | B．are damaging | C．damaged | D．will damage |
How many pages have you_____ so far? Can you return the book ____ me tomorrow?
| A．looked; for | B．seen; to | C．covered; to | D．turned; for |
The house rent is expensive. I’ve got about half the space I had at home and I’m paying_____ here.
| A．as three times much | B．as much three times |
| C．much as three times | D．three times as much |
John didn’t choose _____ of the ties and went away without looking at a third one.
| A．many | B．either | C．all | D．any |
The key you have just gotthe front door.
| A．is used to opening | B．is used to be opened |
| C．is used to being opened | D．is used to open |