______ people are standing outside the office. _____ people there is at least over 1,000.
| A．A number of; A number of | B．The number of; The number of |
| C．A number of; The number of | D．The number of; A number of |
The policeman stopped him when he was driving home and _____ him of speeding.
| A．charged | B．blamed | C．accused | D．deprived |
________ I've got my own car, I don't get as much exercise as I used to.
| A．Even if | B．Except that | C．Now that | D．Now and then |
I find it difficult to keep ________ of my old friends.
| A．company | B．track | C．touch | D．pace |
—It’s not wise of you to go on a trip in such weather.
—Indeed! I didn’t became _____of it until on half the way.
| A．awake | B．sense | C．aware | D．knowing |
— How much shall I pay for the phone cell?
— You _______. It’s free of charge.
| A．shouldn’t | B．can’t | C．don’t have to | D．mustn’t |