I have no idea ______ measures the government will take to stop the air from being further polluted.
| A．which | B．what | C．that | D．whose |
we can’t remove our troubles in life forever, we can leave them behind when we are on vocation.
| A．When | B．While | C．Unless | D．Until |
Many migrant workers, city life, wouldn’t like to move back to the countryside.
| A．accustomed to | B．being accustomed to |
| C．have accustomed to | D．have been accustomed to |
The system has been designed to give students quick and easyto the digital resources of the library.
| A．way | B．approach | C．access | D．association |
----What do you think has made Tom feel down?
----his seat in the election, I think.
| A．As he lost | B．Losing | C．Because of | D．Lost |
Although he has become wealthy, Mr. Wood remainshe used to be, modest and friendly.
| A．which | B．where | C．what | D．that |