病句诊所。
①五颜六色的红旗迎风飘动。
②因为天都峰很高，所以我和爷爷还是爬了上去。
③我敢肯定这件事可能不是明明做的。
④美丽的小兴安岭真美啊！
-- Anna, could you lend me this book, please?
-- I'm sorry. I it for only two days, and I haven't finished it yet.
27435＋14583＋3675=____
