题目内容：

用所给短语的适当形式完成句子 其中有两个是多余选项
for boys;you are welcome;how much;for girls;on sale;lots of;have a look at;what color;how many;in black
The white hats are ________ for $23.
_________ Xinhua Clothes Store.
--_________ are the shoes?
--They're $19.
The pants ________ are only $24.
--_________ do you want?
--Green.
--Thank you very much.
--___________.
We have some new students,so we need __________ new pencils.
_________,you can buy the skirts for only $30 each.