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 think math is not ________ science.
The old man has________ useful horse and horse can do a lot of things for him.
When he walks ______ my desk, he often knocks my books off the desk.
There is going to ______ a basketball match in the afternoon.
The man is one of the best ______. He is _____ tasty dishes at the moment.