The government __________ air quality in urban areas from level one to five ： excellent，fairly good, slightly polluted, poor and dangerous.
| A．arranges |
| B．classifies |
| C．distributes |
| D．divides |
Mr. Black _____________ Shanghai in a few days. Do you know when the earliest plane __________ on Sunday?
| A．is leaving, takes off | B．leaves, takes off |
| C．is leaving, is taking off | D．leaves, is taking off |
The second book _______ you are reading is written by an American novelist.
| A．不填 | B．whose | C．which | D．what |
There was no wind.The smoke rose ________upward.
A elegantly B straightly C extremely D regularly
The old temples possibly_________the Ming Period.
A are dated back to B date from
C are dated fromD date back
You can eat in my restaurant _______ you like.
| A．whenever | B．wherever | C．whatever | D．however |