are,tomatoes,a kilo,these,tow,doiiars 连词成句 buy,we,tennis racket,to,want,four 连词成句
问题描述：
are,tomatoes,a kilo,these,tow,doiiars 连词成句 buy,we,tennis racket,to,want,four 连词成句
答
These tomatoes are two dollars a kilo.这些番茄2美元1公斤
We want to buy fourtennisracket.我们想买4张网球拍