句式轉(zhuǎn)換：1、How much is the CD?（改同義句） How much___ the CD____?
2、Do you have a discount on the cards?（改同義句）
____ ____ a discount ____ the cards?
3、There is a ball in the shop.（改為復(fù)數(shù)形式）
4、There are some trees near our school.（改一般疑問句）
5、There are three books and a pen on the desk.（將three books 與a pen調(diào)換位置）
6、these pens cost（10 yuan）.（對(duì)括號(hào)提問）
7、Supper cost me 15 yuan.（改同義句）
I_____ 15 yuan _____my supper.
8、The swimmers often swim in the river.（用now替換often）