农谚“庄稼一枝花、全靠肥当家”。肥料的作用主要是给农作物生长提供( )
---Is this _____ruler? ---No, that one is ______ruler. A.I; you B.my; your C.my; you
May I ____a look? A.see B.look C.have
---__________that? ---It’s a cat. A.What B.Whats C.What’s
I can stand. I have four ______. A.back B.hand C.legs
---What’s 9______3? ---It’s 12. A.and B.in C.an