It was necessary to _____ the factory building as the company was doing more and more business.
| A．extend | B．increase | C．lengthen | D．magnify |
----I’m sorry ,but there is no smoking on this flight .
----Oh , I ____that .Sorry, I won’t again.
| A．don’t know | B．didn’t know | C．won’t know | D．haven’t know |
---I knocked over my coffee cup .It went right over ____keyboard.
-------You shouldn’t put drinks near ____computer.
| A．the ；不填 | B．the ;a | C．a；不填 | D．a ；a |
Peter won’t drive us to the station .He has ____to take us all .
| A．a very small car | B．too small a car |
| C．a too small car | D．such a small car |
He’s got himself into a dangerous situation _____he is likely to lose control over the plane.
| A．where | B．which | C．while | D．why |
Cleaning women in big cities usually get ____by the hour.
| A．pay | B．paying | C．paid | D． to pay |