--- When_______ Mary’s birthday?--- It’s_______ September.A. am; on B. is; in C. is; on
—How can I get a present in the game show? —You _________ one if you answer all the questions correctly.
—Can he _______ anything about Canada? —No, he can’t. All of us except him _________to Canada.
We students can _______ food and old clothes to the homeless people, and the teachers can __________ learning skills for the poor children.
Which of the following signs can’t be found in a hospital?
—Our school is so big. We must clean it up as soon as possible. —Don’t worry. ________.