____the speed limits, or you’ll get fined $ 200 for speeding.
| A．If you don’t keep to | B．Keeping to |
| C．To keep to | D．Keep to |
While you are enjoying yourself in Beijing this time tomorrow, I __my mother do housework at home.
| A．am helping | B．will help | C．would help | D．will be helping |
The e-mail, as well as the telephone, ______ an important part in daily communication.
| A．is playing | B．have played | C．are playing | D．play |
Jumping out of ______airplane at ten thousand feet is quite _____exciting experience.
| A．/ ；the | B．/ ；an | C．an；an | D．the ; the |
What they need ______ enough money, while what we need ______ enough workers.
| A．is; is | B．are; are | C．is; are | D．are; is |
—Please tell Nana she has won the first prize in the teaching skill contest in April.
—_________! She never did so well before.
| A．Congratulations | B．Good luck |
| C．That’s right | D．What a good surprise |