当别人问你,“你是一名学生吗?”,你应该说: A. I am a student. B. Yes, I am.
These are ______. You can buy a pair for your mother.
I can see ______ in Lucy's room.
-- _______ are his football clothes? -- Under the bed.
I have two good pen friends. One is an American, ______ is in England.
There are so many people in the shop. You must ________ your things.