Ⅱ.单项选择（25分）
36. -You have dropped ______ “s” in the word “necessary”.-Oh, ______letter “s” is doubled.
A. a; a B. a; the C. an; the D. the; the
37. -Why do you always watch Channel 10 instead of Channel 5, Grandpa ?
-The programs on Channel 10 are __________better.
A. much more B. more much C. more D. much
38. -Where’s Peter ? -He_________ Beijing for two days.
A. is going B. has been C. has gone to D. has been in
39. My mother has many chores ______every day. A. doing B. to do C. do D. does
