If you don’t study hard, you’ll regret, _____ you?
| A．won’t | B．don’t | C．will | D．do |
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 |
He got up late and hurried to his office, _____ the breakfast untouched.
| A．left | B．to leave | C．leaving | D．having left |