______ the doctors in their hospital is about one thousand, and sixty percent of them ______ women.
| A．A number of; is | B．The number of; are |
| C．The number of; is | D．A number of; are |
We just need one of you for the game．________you _______your brother can join us.
| A．Both; and | B．Neither; nor |
| C．Either; or | D．Not only; but also |
--- Cross the road carefully, __________ you’ll keep yourself safe.
--- Thank you．
| A．so | B．or | C．but | D．and |
---Why do you like yellow?
--- Because it always reminds me __________ a warm, sunny day.
| A．on | B．in | C．of | D．for |
—Thank you for helping me a lot.
—_________________.That’s what friends are for.
| A．That’s right |
| B．That’s not the case. |
| C．I couldn’t agree more. |
| D．Don’t mention it. |
—Could you tell me ?
—About one hour and a half
| A．how long it takes to drive to Nanjing from Yangzhou |
| B．how long it took to drive to Nanjing from Yangzhou |
| C．how long does it take to drive to Nanjing from Yangzhou |
| D．how long did it take to drive to Nanjing from Yangzhou |