He didn’t regret saying what he did but felt that he ____ it differently.
| A．could express | B．would express | C．could have expressed | D．must have expressed |
Although the plan hasn’t been approved______ present, he insists______ carrying it out.
| A．at; at | B．on; at | C．at; on | D．on; on |
Last Monday, I bought a second-hand computer, ______ was very slow.
| A．which price | B．its price | C．the price of whose | D．the price of which |
The lecture hall______ by Doctor Li in the 1980s can contain at most 6,000 people.
| A．set up | B．was set up | C．is set up | D．setting up |
That day, we______ for the train station when Tom fell and hurt his legs badly.
| A．have been leaving | B．were just about to leave |
| C．have left | D．are just going to leave |
Mr Smith closed all the windows while driving______ he wouldn’t catch a cold.
| A．since | B．so that | C．because | D．as if |