问题补充:
The child is much too young; I object him alone at home.
A. to leave
B. leave
C. leaving
D. to leaving
答案:
A. to leave
B. leave
C. leaving
(答案→)D. to leaving
解析:考察固定搭配。固定搭配object to sth/doing sth反对做某事;其中的to是介词,后面接名词或者动名词做宾语。句意:这个孩子太小了,我反对把他一个人留住家里。故D正确。