31. Paul told me that he had bought a new flat on ________ phone.
A. a B. an C. the D. /
32. The Grade 9 students took exams ________Christmas Day this year.
A. on B. at C. to D. in
33. I asked my friends to help _______ to the fruit and snacks.
A. they B. them C. their D. themselves
34 . We need to go shopping.there is ______ juice left in the fridge.
A. little B. few C. many D. much
35. A surprising ending can add excitement_______ a film,
A. for B. to C. at D. on