当别人送你礼物时,你应先说:A.Thank you.B.You’re welcome.C. It’s very nice.
She is ____. A. this B. what. C.talking.
We ___ a happy family. A. a B. is C.are
My mother ___ a doctor . A.am B. is C. are
You ___ a girl. A.am B. is C. are
He ___ a boy . A.am B. is C. are