---Look, the old man who is playing ________ guitar is ______ university teacher．
---Oh, how nice the music is!
| A．the ; an | B．/; an |
| C．the; a | D．/ ; a |
Shanghai is larger than________ city in Gansu.
| A．any | B．any other | C．the other | D．another |
一What are you going to do this weekend?
一Well，we’ll clean up the city parks _______ it rains .
| A．if | B．until | C．while | D．unless |
---You’ve chatted for nearly two hours．
---Yeah. We're talking about the things_________ happened yesterday．
| A．what | B．that | C．when | D．where |
We should read more good books because they can ______our eyes．
| A．100k up | B．put up | C．open up | D．wake up |
The old lady donated much money to the poor students. ______she is not rich．
| A．though | B．or | C．so | D．because |