—How long do you think it will be______ man can finally solve the problem of cancer?
—Well，it depends
| A．when | B．until | C．after | D．before |
A tape recorder is made full use of ______ improve our listening ability.
| A．helping | B．to help |
| C．help | D．helped |
He ignored the neighbor’s request that ______ less noise at night.
| A．he would make | B．he could make |
| C．he make | D．he made |
With so many noises from the busy traffic in the street, I couldn’t_____ and do my research work.
| A．put down | B．settle down |
| C．cut down | D．set down |
The days are gone _____ physical strength was all you needed to make a living.
| A．when | B．that | C．where | D．which |
---Where to, Madam?
---________at the Baiyun Hotel, No 11 Sanlitun Road, Chaoyang District, please.
| A．Pick me up | B．Call me up |
| C．See me off | D．Drop me off |