Has all that ____ without delay ____ yet?
| A．can do…being done | B．done…been done |
| C．ought to be done…to do | D．should be done…been done |
The professor you referred to in the letter______ us students three lectures by next Monday.
| A．has given | B．will given | C．will have given | D．Gave |
—What do you think has caused his heart attack?
—It is ______.
| A．because of his overweight | B．due to his being overweight |
| C．his being overweight | D．he is so overweight |
—Do you have any idea why the engineer resigned?
—No. In fact, everyone is ____about it.
| A．doubtful | B．curious | C．enthusiastic | D．annoyed |
It’s required that the students______ mobile phones in their school, so seldom ______ them using one.
| A．not use; will you see | B．should not use; you will see |
| C．don’t use; will you see | D．would not use; you will see |
“It isn’t the first time I ________ at home,” he said frankly.
| A．had spoiled | B．have spoiled | C．had been spoiled | D．have been spoiled |