----______number of cars on the roads is growing too fast.
----I agree with you. ______ number of problems have appeared already.
| A．A, A | B．The , The |
| C．The ,a | D．A, the |
I have _______washed my clothes.
| A．just now | B．just | C．yet | D．since |
In the past five years some new buildings _____ in our home town.
| A．build | B．was built | C．have built | D．have been built |
A young man ___ John _____ school recently.
| A．calling; has left | B．called; will leave |
| C．calling; is leaving | D．called; has left |
–Have you studied English for a long time?
--Yes, I have studied it ______.
| A．five years before | B．five years ago |
| C．for five years | D．since five years |
We have ______ all the shoes in your size
| A．sold off | B．sold up | C．sold away | D．sold out |