—I saw Helen in the library this morning. —No, it _________ her. She moved to France last week. A. can’t be B. can be C. mustn’t be
In China and some other countries, it is impolite to speak loudly _______ you are having a meal.A. before B. while C. after
The little kid is just two years old. He's too young to take care of________.A. his B. him C. himself
It is reported that a terrible rainstorm hit_____ south of our country last night.A. the B. a C. an
The 20th Cup Opening Ceremony was held in Brazil _____ June 12th, 2014.A. in B. at C. on
This math problem is so hard that I can't ______ .Please give me some advice.A. look out it B. work it out C. give it out