动词非谓语练习240例
1. ___ is not easy.
(A) For cook (B)To cooking (C)Cooking (D) Cook
2. China is a ____country.
(A) developing (B)develop (C)developed (D) being developed
3. The window is ___.
(A) break (B) to break (C) breaking (D)broken
4. Things keep ___.
(A) changed (B) changing (C)being changed (D)change
5. The classroom needs____.
(A) clean (B) cleaned (C) to clean (D) cleaning