问题补充:
If people keep down the forests, they will have nowhere .
A. to cut, to live
B. cutting, to live in
C. to cut, to live in
D. cutting, to live
答案:
A. to cut, to live
B. cutting, to live in
C. to cut, to live in
(答案→)D. cutting, to live
解析:此题考查固定结构keep doing sth表示坚持做某事,to live表示动词不定式做定语。