Jim is ______excellent runner. He often comes _____first in the race.
| A．an, the | B．the, the |
| C．a, / | D．an, / |
－___________ do you go to Old People’s Home?
－Twice a month.
| A．How long | B．How soon | C．How often | D．How many times |
－Mom, I’m leaving.
－It’s raining. You’d better ________ an umbrella with you.
| A．to take | B．take | C．not take | D．taking |
The city park will be cleaner ___________ people stop dropping litter here and there.
| A．while | B．if | C．unless | D．before |
－How many ___________ would you like?
－Two, please. I have a friend here.
| A．cup of tea | B．cup of teas | C．cups of tea | D．cups of teas |
More and more people like to talk with their friends ______ sending messages on WECHAT(微信)
| A．by | B．in | C．with | D．for |