— I think I’ll give Bob a ring.
— You __________. You haven’t been in touch with him for ages.
| A．will | B．may |
| C．have to | D．should |
Oh, I'm not feeling well in the stomach. I ________ so much fried chicken just now.
| A．shouldn't eat | B．mustn't have eaten |
| C．mustn't eat | D．shouldn't have eaten |
She often shares her deepest thoughts and fears with friends through QQ, as if they ________ chatting in her living room.
| A．were | B．are |
| C．had been | D．has been |
—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 |