are his keys in the schoolbag作否定回答

问题描述:

are his keys in the schoolbag作否定回答

首先 你要看题目用什么来问 用 are 来问的 所以回答就有:肯定的就是 Yes,___are.否定就是No,___aren't.
然后 再看主语 是his keys 因为 key 是可数名词 题目加了 " s" 所以就用 they 来答
最后题目说是否定回答 所以答案就是 No,they aren't.