下列各组字母中全部是元音字母的是 ____。A. a, e, o, r B. a, i, u, e C. o, u, e, r
—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.
—Our school is so big. We must clean it up as soon as possible. —Don’t worry. ________.
–Don’t worry. We still have __________ time.