几道英语单选题有点不明白,【我知道答案,我只想知道为什么这么做】1._____ woman in a purple skirt is Betty's mother.A.The B.A C.An D./ 【woman这个词不是第一次出现吗?为什么不选B?】 2.Can you find New York _____ this map of America?A.in B.at C.of D.on 3.David jumped _____ in the long jump.He won the game.【我知道long jump是跳远,但给的都是long了,为啥不选A啊】 A.longest B.farthest C.fastest D.highest 4.We are going for a picnic tomorrow.I'll call Wendy to make sure_____ A.why to start B.when to start C.what to start D.which

几道英语单选题有点不明白,【我知道答案,我只想知道为什么这么做】
1._____ woman in a purple skirt is Betty's mother.A.The B.A C.An D./ 【woman这个词不是第一次出现吗?为什么不选B?】 2.Can you find New York _____ this map of America?A.in B.at C.of D.on 3.David jumped _____ in the long jump.He won the game.【我知道long jump是跳远,但给的都是long了,为啥不选A啊】 A.longest B.farthest C.fastest D.highest 4.We are going for a picnic tomorrow.I'll call Wendy to make sure_____ A.why to start B.when to start C.what to start D.which to start 【题目不都给了是明天吗?为什么答案选B?】