7．Schools across China are expected to hire 50,000 college graduates this year as short-term teachers __________increase job opportunities.
| A．help | B．to have helped | C．to help | D．having helped |
The children were not ______for the accident.
| A．to being blamed | B．to blame |
| C．being blamed | D．to be blamed |
—I'm afraid I can't finish the book within this week.
—________.
| A．Take your time | B．That's all right |
| C．Not at all | D．Please go ahead |
— Have you seen the film The sound of Music?
— Not yet，but I________.
| A．expect not | B．think to |
| C．expect so | D．expect to |
He was driving home on the highway last night when a policeman stopped him and ____him of speeding.
| A．reminded | B．accused |
| C．warned | D．charged |
Farmers in China began to use tractors _______ cattle for farming work.
| A．to take place | B．to take place of |
| C．to in place of | D．to take the place of |