Hey, look at your pale face; you must have stayed up late last night, _____?
| A．haven’t you | B．have you |
| C．did you | D．didn’t you |
Electronic products are ________ must for new generation of ________ college students.
| A．a; a | B．the; a |
| C．a; / | D．the; / |
—Are you finishing your task?
—________. We need no less than three hours more.
| A．Far from it | B．Exactly |
| C．Not a little | D．No wonder |
The novel written by the author ________ best, but five years ago no one could have imagined how great a role he ________ in the literary world.
| A．sells; was to play | B．was selling; was playing |
| C．sold; had played | D．is sold; is playing |
The accident was my fault, so I had to pay for the damage ________ the other car.
| A．of | B．at | C．to | D．on |
Mr. Joe, ________ professor at the University of Fribourg, is famous for his academic achievements in ________ World History.
| A．the; / | B．the; a |
| C．a; the | D．a; / |