29. We should keep _______ in the reading-room.
A quite B quietly C quiet D quickly
30. I think this is _______ useful dictionary.
A very a B very an C quite a D quite an
31. Ann is so careful that she always goes over her exercises to _______ there are no mis-takes.
A look for B make sure C find out D think about
32. —what’s the police station’s telephone number?
33. She looked _______ his number in the phone book to make sure that she got it right.
A for B up C after D over
34. —Cindy, is it OK to _______ you at home by yourself?
—I think it’s OK, Mum. I can look after myself _______.
A leave; good B put ; good C leave ; well D put ; well