Part two: language Knowledge 
Section A (15 points)Directions: Beneath each of the following sentences there are 4 choices marked A, B, C and D. Choose the one answer that best completes the sentence.
21. --- Time passes quickly, doesn’t it?
--- Yes. It will be only two months_______we take the 2010 College Entrance Examination.
A．since B．after C．before D．When
It turned out that one of the children I thought a girl was _______ a boy.
| A．specially | B．usually | C．especially | D．actually |
With more forests being destroyed, humans have to _______ a lot from what they have done.
| A．separate | B．suffer | C．stop | D．protect |
Jackson seemed crazy _______the Chinese culture when he visited China last year.
| A．about | B．with | C．for | D．at |
Excuseme,butcanyoutellme________?
A.wherecanIgettothelibrary
B. B.howIcangettothelibrary
C.howcanIgettothelibrary
D.whereIcangettothelibrary
_______youwanttochangeforasingleroom,you’llhavetowait for a while.
| A．While | B．Although | C．Until | D．If |