—I didn’t see her yesterday.—Of course, you _____, because she had gone to a trip.
| A．can’t | B．may not have | C．can’t have | D．mustn’t have |
The fact that so many people still smoke in public places ______ we may need a nationwide campaign to raise awareness of the risks of smoking.
| A．suggest | B．suggests | C．suggested | D．suggesting |
Sam has been appointed _______ manager of the engineering department to take ____ place of George.
| A．不填；不填 | B．the : 不填 | C．the; the | D．不填; the |
—Where is the shooting centre?
—It is about 50 kilometres ______ the city of Beijing.
| A．in south of | B．south of | C．the south of | D．southern of |
Though difficult, I ________ him find a job, which made him very pleased.
| A．tried to help | B．managed to help |
| C．tried helping | D．succeeded to help |
He was inspired to start again _________ he had failed.
| A．where | B．in which | C．when | D．what |