31. English is an international............................... A. language B. means C. subject D. profession
32. You shouldn't spend all your time ............................. A. study B. studying C. to study D. studied
33. My uncle used............................forty cigarettes a day. A. smoke B. to smoking C. smoked D. to smoke
34. She refused ................................that she was in trouble. A. accepting B. to accept C. to be accepted D. being accepted
35. I can't help..............................when listening to his joke. A. to laugh B. laughed C. laughing D. to laughing