急,理由

急,理由
47.If it tomorrow,we won’t go on a trip to Shanghai Century Park.
A) rains B) rain C) will rain D) raining
48.The TV set is really expensive.It him $900.
A) spent B) took C) cost D) paid
49.My grandma in the countryside,but now she lives in a big city.
A) use to live B) used to live C) is used to live D) used to living
50.I wonder the scientist will come to our school tomorrow to give us a talk or not.
A) when B) whether C) where D) that
51.great fun it is to have a five-day holiday!
A) What B) How C) What a D) How a