牛津上海版六年级上英语Unit2基础知识练习六年级上英语U2基础知识练习I. Choose the best answer 1. She is friendly_ all of us.A. toB. forC. with D at 2 the moon turns around _ earth A / B the C an D a 3 Kitty is young, but she can _her younger sister.A looks after B looks at C.look at D look after4 Please_the environment.A. arent polluting B. not pollutionC. dont pollute D.doesnt pollute5 we should keep our school _ A clea
