（ ）2. It’s silly ____ me not to forgive my friend _____ his mistake.
A. for, for B. of, for C. of, of D. for, of
（ ）3. -- How long have they surfed on the Internet?
--_______.
A. Many times B.In two hours C.Twice a week D. For a long time
（ ）4. Sue is a lazy girl. She perfers lying in bed ______ exercise.
A. than do B. than doing C. to do D. to doing
（ ）5. –His sister’s never been to the Summer Palace, ________?
--_______. She goes to Beijing every summer holiday.
A. is she; Yes B. has she; Yes
C. has she; No D. is she; No
