小题1:yellow sweater
小题2:a pair of black shoes
小题3:father
小题4:socks
小题5:pants
小题1:根据This yellow sweater is at a very good price--only 15 dollars.可知答：yellow sweater
小题2:根据For my grandmother, I want to buy a pair of black shoes.可知答：a pair of black shoes
小题3:根据How about this blue T-shirt? Oh, my father can wear it to play basketball.可知答：father
小题4:根据I know my mother likes red very much, so I will buy these red ones.可知答：socks
小题5:根据I need pants, so I will take these blue ones.可知答：pants