Professor Tang didn't give us a speech today.It was ________ he had a traffic accident on the way to school.
| A．that | B．when | C．why | D．because |
I’m not feeling well in the stomach, I _____ so much fried chicken just now.
| A．shouldn’t eat | B．mustn’t eat |
| C．shouldn’t have eaten | D．mustn’t have eaten |
____________, the new machine is now in large production.
| A．With the solved problem |
| B．With the problem solved |
| C．With the problem solving |
| D．With the problem to solve |
— Sorry, I have to ____ now. It’s time for class.
— I’ll call back later
| A．hang up | B．give up |
| C．hold up | D．take up |
The factory used 65 percent of the raw materials, the rest of which _______ saved for other purpose.
| A．are | B．is | C．were | D．was |
The woman talking on TV show now is known ___ a famous singer___ the public.
| A．for; as | B．to ; for |
| C．for ; to | D．as ;to |