The houses for the low-income families _______ at present in our city will be completed next year.
| A．to be built | B．built |
| C．being built | D．having been built |
29. The sandstorm_________ for several days，which left a terrible sight across the west.
| A．kept off | B．kept away | C．kept back | D．kept up |
28.Mary felt__________from the outside world, since she lacked an Internet connection and couldn’t receive any e-mail.
| A．cut down | B．cut in | C．cut off | D．cut out |
27.How long do you think it will be________China becomes a rich and harmonious country?
| A．before | B．after | C．since | D．When |
26. If Tom’s wife doesn’t go to the party, _________.
| A．he doesn’t either | B．neither will he | C．neither doesn’t he | D．either will he |
25. You can put the medicine____you like, on condition that the children can’t reach it.
| A．in which | B．wherever | C．the place | D．the place where |