形容词描述物品 — 英语填空题
题目
Tom wants a new bag. The black bag is big, but it is too heavy for him. The blue bag is small and light, but it's too small for all his books. The green bag is big and light. 根据情境，用正确的形容词完成句子：The black bag is big but too ___. The blue bag is light but too ___. The ___ bag is the best for Tom.