用and,but,or填空 (1) Work hard, you will pass the driving test. (2) Stop cutting trees, the earth will become worse and worse. (3) They bought Granny a present she liked it very much. (4) They all went to the cinema, I didn't. (5) --Hello,Mr. Huang! --I'm sorry, I don't think I know you. 答案:【1】and
【1】or
【1】and
【1】but
【1】but3.组成兔子和蒲公英的每种化学元素 A.种类和含量均相同B.种类和含量均不同C.种类相同,含量不同D.种类不同、含量相同