选出不同类的单词。(1)A.pen B.book C.bag D.elephant(2)A.cat B.pig C.mother D.sperm whale(3)A.apple B.grapes C.TV D.watermelon(4)A.lake B.cold C.warm D.cool(5)A.play B.swim C.fly D.yellow
__________________ they playing sports? A. are B. is C. am
He’s __________________ an e-mail. A. writing B. write C. written
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