----What do you do after class? -----Sometimes, I talk __________ my friends. A. in B. of C. to
----______ is the library? ---- It’s near the post office? A. What B. Where C. When
读一读,找出每组单词中不同类的一个
-- _________ , Cindy! -- Good afternoon, Grace!
别人帮助了你,你应该说“________”
不明飞行物的英语缩略形式是_________.