Hi! I'm Linda. I am ____ English girl. Now I'm in Shanghai with my parents. There is a ____ store next to my house. ____ name is Xingxing Clothes Store. You can buy all kinds of ____ in it. They have sweaters at a very good ____. Do you need bags? They ____ great bags for 26yuan each. They have hats ____ red, black and yellow. They ____ have nice skirts for girls. For ____, they have shorts and sports socks. Do you ____ to come here? Let's have a look this afternoon.

找出与其他字母所包含的元音音素不同的选项以及找出画线部分与其他单词发音不同的选项。

①____   A. Aa            B.  Mm                 C. Kk

②____   A. write            B. spring                C. rice

③____   A. book            B. cool                  C. food

④____   A. with            B. thirteen              C. weather

⑤____   A. apples          B. bananas               C. drinks

若a^m=2，aⁿ=3，则a^m﹣n的值为____