s_ _ ool (学校) A. ck B. sh C. ch
Mary_____ her mother _____the problem. A. tell; off B. tells; about C. telling; for
Is it good _______bad to surf the Net?. A. and B. or C. but
It was _______accident. A. a B. an C./
We should ______healthy food A. to eat B. eating C.eat
找出不同类的单词。 ( )(1)A.play B. angry C. run ( )(2)A.car B.cat C.bus ( )(3)A.carrot B. cabbage C. chair ( ) (4)A. cheap B. expensive C. book ( ) (5) A. green B. purple C.bag