补全下列短语或句子.________ front _________ the classroom________ ___

补全下列短语或句子.
________ front _________ the classroom
________ _________ left of the park
________ the middle ________ the lake
________ (不要喂)the birds
________ （不要爬）the tree
Where's the bird? It's _______ the tree.
Where's are the apples? They're _______ the tree.
________ there _______ boats on the lake ? No,there ______ .
________ _______ ________ are there in the garden ? Twenty .