More than one doctor _____ involved in the rescue that took place after the earthquake.
| A．was | B．is | C．were | D．are |
We ________ the project on time without your timely help .
| A．would not have finished | B．will not finish |
| C．would have finished | D．will finish |
You________ the work better, but you didn’t put more efforts to it.
| A．must have done | B．can have done | C．should have | D．could have 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 |