Study hard, _____ you won’t pass the exam. I see,Mum.A. or B. and C. but
If you meet some new words, you'd better ________ in a dictionary. A.look out them B.look up them C.look them up
—I think she should stop wearing those silly earrings. —________. I like those earrings. She looks so cool. A. I disagree. B. I think so. C. I agree.
This dictionary must belong to ________.Because I saw him using it yesterday. A .Tom’s B.TomC Mary
Are you afraid of _____ alone? A. sleep B. to sleep C. Sleeping
—Where’s Bill ? —He ________ in the office. I saw him playing basketball on the playground just now. A. can’t be B. must be C. can be