—Where’s Train 4? —It’s ______the station.A.at B.on C am
There are 15 in the bag.A. pen B. a pen C. pens
I have math book , notebook and English book .A. a an a B. a a an C .an a a
Put away your books. A. Thanks. B. All right. C. Sorry.
in your hand? A. Where B. What’s C. How many
Put your eraser (在旁边)your pencil box? A. near B. on C.under