Elephants are the ____animals on land . A. big B. bigger C. biggest
( )— Let’s go to Beijing______.—Great!A. a plane B. by train C. Great!
( )It’s ________ rubber.A. my B. an C. /
( )—What’s this ?—It’s _____.A. bag B. an apple C. books
( )—_______ , what’s this on the chair?—It’s a bag.A. Sorry B. Excuse me C. Thank you
( ) ---Is that your book? --- .A. Yes, it isn’t. B. No, it is. C. Yes, it is.