We have nothing against ______ exercise.
A. do B. doing C. to do D. does
Our classroom must _____ clean every day.
A. keep B. to keep C. be kept D. to be kept
Your hobby got in the way ____ your study.
A. of B. in C. at D. for
–Is your mother very strict ____ her work? - Yes, she is strict ____ me, too.
A. in, in B. with, with C. with, in D. in, with
She had her hair _____.
A. cutting B. cut C. to cut D. cuts
Students in our country are not allowed ____ while they are at their school.
A. smoking B. to smoke C. to smoking D. smoked