单项选择题
A．They are virtually impossible to enforce. B．Neither is applicable to the woman’s case. C．Both of them have been subject to criticism. D．Their requirements may be difficult to meet.
A．To be nearer to Zac’s school. B．To look after her grandchildren. C．To cut their living expenses. D．To help with the household chores.
A．They can rent new books for a nominal fee. B．They can buy books, both used and new, at a lower price. C．They can read online by paying a small fee. D．They can sell books to each other without a middleman