.Jack and I can go to the lecture ___
| A．but neither can Mary | B．and do Mary can | C．but Mary can't | D．and Mary also can’t |
—The research on the new flu virus vaccine is challenging and demanding. Who do you think can do the job?
—________ my students have a try?
| A．May | B．Must |
| C．Will | D．Shall |
I ________ him in time, otherwise he would have fallen off the bike.
| A．had supported | B．supported |
| C．have supported | D．support |
The project was carefully planned, or a great deal of money ________.
| A．will lose | B．will be lost |
| C．would have lost | D．would have been lost |
—How dangerous it was!
—Yes, but for the passerby's quick action, the girl ________.
| A．was drowned | B．could have been drowned |
| C．had drowned | D．should be drowned |
Martin hasn't got in touch with me for ages. He ________ my new cell phone number.
| A．can't get | B．mustn't get |
| C．can't have got | D．shouldn't have got |