. Reading books is very important for developing the students’ understanding of the world, _______?
| A．is it | B．are they | C．isn’t it | D．aren’t they |
It is many years ____ we enjoyed ourselves on the great occasion.
| A．since | B．that | C．before | D．when |
Three of the town’s factories have closed down _____ the space of a year.
| A．among | B．after | C．beyond | D．within |
Not having promoted the new digital camera successfully, the company should its original marketing methods.
| A．account for | B．reflect on | C．work out | D．call up |
Five workers _____ the mine disaster. After the injured _____ to the hospital, doctors and nurses immediately got down to saving their lives.
| A．was survived; rushed | B．survived from; were rushed |
| C．survived; was rushed | D．survived; were rushed |
A reward of $1,000 will be given to can provide any clues to the case which has been investigated by the police for nearly half a year.
| A．whoever | B．whomever | C．anyone | D．who |