the house is too expensive for him to ______ A.afford B.afford it这个题选A,这种“尾巴代词”什么时候应该要,什么时候不该要?
问题描述：
the house is too expensive for him to ______ A.afford B.afford it
这个题选A,这种“尾巴代词”什么时候应该要,什么时候不该要?
答