题目内容：

There are_______(31)days in May.Today is_______(31)days of May.So tomorrow is______(child)Day.

优质解答

There are thirty-one (31) days in May.Today is the thirty-first (31) day of MaySo tomorrow is (children's)Day平行四边形ABCD的周长是39厘米,BC边上的高AE长4厘米,CD边上的高AF长5厘米,这个平行四边形的面积是...