( )(6) 你想介绍姐姐给别人认识,你会说:A. This is my sister. B. This is my friend.
This is __________________duck.A. my B. an C. you
I have a __________________.A. pen B. pencil-boxes C. pencils
The elephants often water with trunks.A. drinking it’s. B. drinking their. C. drink their
----Where are your classmates ? ---- ________ over there. A. They’re B. He’s C. She’s
There is a call ______ Mary.A.for B.to C.in