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, n
I have kept the book _______ the morning of May 1.
________it was ________so many elephants marching along the street.
—I’m going on a trip to Beijing after the exam.—Really? _________!
I want to watch the news on TV. ________, please.
The girl is often heard _______ in the next room.