It was _____ great shock to the world that two airplanes crashed into _____ World Trade Centre in New York on Sept．11．
| A．a；／ | B．the；the |
| C．a；the | D．／；the |
Parents complain their children are behaving unreasonably _____children consider their parents to be old-fashioned.
| A．while | B．when | C．or | D．after |
It suddenly_____ to me that I could use a computer to do the job.
| A．erupted | B．caused | C．occurred | D．happened |
Knowledge learnt from books doesn’t have the same effect on a child
as_____through practice.
| A．those | B．one | C．it | D．that |
London is a most beautiful city in Britain, _____ the River Thames.
| A．located in | B．lied on |
| C．situated on | D．stood in |
Ryan’s family____ very large and his family____all fond of going hiking.
| A．is; are | B．are; is | C．is; is | D．are; are |