| A．January | B．advanced | C．Canadian | D．balance |
With some technical problems to be solved, it may be a while _______ the system is put into use.
| A．when | B．after | C．since | D．before |
That is the only way we can imagine _______ the overuse of water in students’ bathrooms.
| A．reducing | B．to reduce | C．reduced | D．reduce |
A great deal of advanced science and technology has been _______ since China carried out the reform and opening policy.
| A．brought down | B．brought in | C．brought out | D．brought up |
—Have you heard about Apple iPhone 4?
—Sure．It is very hot these days．I’m thinking about getting _______．
| A．one | B．them | C．that | D．it |
–-My TV set doesn’t work, the water tap is dripping and my car is still under repair!
–-You sure ________ bad luck these days.
| A．are having | B．will have | C．had had | D．had |