Unit7 How much are these socks 一、单项选择(共 20 小题;共 20 分) 1. --- How much the pair of shoes?21 世育版所有纪教网权--- Twenty dollars is enough.A. isB. areC. wasD. were 2. --- How much the bottles of milk?21·cn·jy·com--- 31 yuan.A. areB. isC. amD. be 3. the museum from 8 ...