________the foreign friends here is over 400. And ________them come from the USA.
A．The number of; the number of
B. A number of ; a number
C. The number of ; a number of
D. A number of ; the number of
—_____ and see a film this afternoon?
—That’s a good idea.
| A．Why don’t go | B．Why not go | C．Why not to go | D．Why doesn’t go |
—Can you tell me ______?
—By doing more speaking.
| A．how I can improve my English |
| B．which way can I choose |
| C．how I do deal with my English |
| D．what’s wrong with my English |
After school he didn't go home. ______, he went to the playground.
| A．But |
| B．While |
| C．Instead |
| D．Instead of |
______ summer nights, we often go to sleep ______ the window open.
| A．At; with |
| B．On; with |
| C．In; for |
| D．At; on |
If I went to the moon, I ______ bring something unusual back to the earth.
| A．could |
| B．will |
| C．would |
| D．shall |