Question

【题目】Canada is one of the countries that __________ a free education system __________ by the government.

A. have ； to pay

B. has ； pay for

C. have ； paid for

D. has ； paid

Answer 1

【答案】C

【解析】句意：加拿大是由政府支付教育经费的国家之一。that指代the countries,是复数概念;后者是过去分词短语作后置定语。