I give the pen to lacu (改成同义句) What color is it (改

问题补充：

I give the pen to lacu (改成同义句) What color is it (改成复数句) He has an orange orange (改成复数句) We are in the same class (改成反义词）

答案：

1.i give Lacu the pen.2.What color are they?3.They have orange oranges.4.We are in the different classes.