. When he ______ the door, he found his keys were nowhere.
| A．would open | B．was to open | C．had opened | D．opened |
5. —How did you find your sister in such a big and strange city?
—I ____ her in the railway station when I was looking for the police for help .
| A．came about | B．came out | C．came up | D．came across |
4. John seems a nice person, ____ I don’t trust him.
| A．even though | B．even so | C．therefore | D．Though |
3. He thinks I have spoken ill of him, ____ I’m always speaking well of him.
| A．when | B．and | C．while | D．on the contrary |
2. ____ many times, but he still couldn’t understand.
| A．Having been told | B．He had been told |
| C．Though he had been told | D．Having told |
I. Multiple choice 10%
Directions: Beneath each of the following sentences there are four choices marked A, B, C and D. Choose the one answer that best completes the sentence.
1. The most important thing about cotton in history is ____ part that it played in ____ Industrial Revolution.
A. / ; / B. the ; / C. the ; the D. a ; the