Is this the reason _______ at the meeting for his carelessness in his work?
| A．he explained | B．what he explained | C．how he explained | D．why he explained |
31. It was really a wonderful match. If only I__________it again.
| A．can watch | B．will watch | C．would have watched | D．could watch |
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 |