--The research on the new bird flu virus vaccine is challenging and demanding. Who do you think can do the job?
--________ my students have a try?
| A．Should | B．Shall | C．Will | D．May |
We give dogs time, space and love we can spare, and ______, dogs give us their all.
| A．in all | B．in fact | C．in short | D．in return |
Professor Williams keeps telling his students that the future ______to the well-educated.
| A．belongs | B．is belonged | C．is belonging | D．will be belonged |
It is______ of you to cooperate with such a bad man.
| A．clever | B．foolish | C．cruel | D．kind |
The boss ______ the worker how to do it, or the accident couldn’t have happened.
| A．can’t have told | B．ought to tell | C．could have told | D．mustn’t have told |
In the 1930s, the two countries were at ______ war, and his father was fighting at _____ front.
| A．the; 不填 | B．不填; the | C．the; the | D．不填;不填 |