—Why don’t those children go to school? They’re too young to work in the factory.Maybe

问题补充：

—Why don’t those children go to school? They’re too young to work in the factory.

--Maybe their parents can’ttheir education.

A. afford

B. cost

C. pay

D. spend

答案：

(答案→)A. afford

B. cost

C. pay

D. spend

解析：A买得起，付得起B值……，花费…….物作主语，宾语是金钱C支付，经常组成词组pay for,为……付款，人做主语D花费，人作主语，sb+spend+时间/钱+doing sth/on sth.句意：也许他们的父母付不起他们的教育费用。故选A。