They provide us with food.A. give B. show C. find
Do you know the girl _________ is singing in the classroom?A. when B. who C. which
—Be quiet, Mr. Smith is coming.—Don’t worry. It _____ be him. Mr. Smith is much taller.A. mustn’t B. must C. can’t
—_____ will your English teacher come back?—In two days.A. How often B. How long C. How soon
Boys and girls, the books in the library should______ good care of.A. take B. are taking C. be taken
—How do you go to school every day?—____ bus. I think it is good for the environment to take a bus.A. On B. At C. By