He has a great interest in tennis and ______ it twice a week over the past year.
| A．plays | B．played |
| C．had played | D．has been playing |
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 |