The park forbids _______ on the grass, but some parents don’t forbid their kids ______ on it.
A. to walk; to walk B. to walk; walking C. walking; to walk D. walking; walking
The park forbids _______ on the grass, but some parents don’t forbid their kids ______ on it.
A. to walk; to walk B. to walk; walking C. walking; to walk D. walking; walking
C