用适当的介词填空
【小题1】They have some balls ________ a very good price in their store.
【小题2】________ boys and girls, we have lots of hamburgers und ice-cream.
【小题3】I need shoes ________ sport.
【小题4】The pencils ________ all colors are just 1 yuan.
【小题5】We have red and green sweater ________ only $15!
【小题6】Come ________ Mrs. Smith’ s Shoes Store now!
【小题7】How ________ these red and purple skirts?
【小题8】The computers and TVs are ________ sale.
【小题9】The boy likes chicken ________ dinner.
【小题10】Thanks a lot ________ helping me to learn English.