第四课时Section B(2a2c,Unit 7How much are these socks,一、根据句意填入恰当的介词。(53分15分)1Come and buy your shoes _ our great sale!2_boys and girls，we have lots of hamburgers and icecream.3I need bags _ sports.4The pencils _ all colors are just 1 yuan.5We have red and green sweaters _only $15,at,For,for,in,for,二、用括号内所给单词的适当形式填空。(53分15分)6Those are _ (we) math books.7The clothes _ (look) nice.8I want to buy two _ (pair) of trousers.9This is my _ (cousi
