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
--Excuse me, can you tell me how to get to the WC? -- Go along the hallway and then you will see a sign which will ____ you to it.
Cao Wenxuan’s new book has just __________. Let’s go and buy one.
Miss Gao asked a question, but it was ___________that nobody could answer it.
John called me as soon as he _______ my package.
This room is _________for you to live in.