4.Put the sentences in the correct order.
.... The river and the grass were clean and tidy
.... Class 2B's second job was picking up the rubbish in the river.
.... There was lots of rubbish on the grass.
.1.. The river was dirty.
.... Class 2B was very dirty!
.... Class 2B's first job was picking up the rubbish on the grass.
Các bn giúp mik vs mik gấp lắm ạ
Lần lượt: danh từ màu xanh lá, động từ màu vàng, tính từ màu xanh dương, trạng từ màu cam