【答案】I can’t afford _______ him an expensive birthday present.

I can’t afford _______ him an expensive birthday present.

A. to buy

B. buying

C. for buying

D. buy

【答案】

A

【解析】

句意：我支付不起给他买一件昂贵的生日礼物。afford to do sth. 意为“负担得起某事”，这里是“负担不起去买礼物”，故选择不定式to buy，选A。