1.at clothes ---on clothes (spend money on sth.固定搭配)
2.afford it:去掉it (因为定从的先行词something就是作afford 的宾语,因此不能再加it了)
3.some attractive --any attractive(在条件句中用any)
4.mine--me
5.any --some(在肯定句中用some)
6.how I was buying-- why I was buying(问原因"为什么",用why)
7.some of that-- some of which (介词后的关系代词,只能用which而不能用that)
8.explained the salesgirl-- explained to the salesgirl
(explained to sb.向某人解释)
9.without look back---without looking back(介词后的动词用-ing形式)
10.careful---carefully应用副词作状语