七年级(上)英语练习题单-Unit 7 本次错:_个 正确率:_%单项选择题: ( ) 1. - How much is this pair of shoes ? - Ten _. A. dollar B. dollars C. yuans D. a dollar ( ) 2. How much are _ trousers ? A. these B. this C. that D. a blue ( ) 3. - Is that _ skirt ? - No , it isnt . Its _ skirt .