Everyone here will thank the firefighter
题型:选择题
问题:
Everyone here will thank the firefighters for the things they have done to prevent fires _______ the environment safer.
A.make
B.to making
C.to make
D.from making
Everyone here will thank the firefighters for the things they have done to prevent fires _______ the environment safer.
A.make
B.to making
C.to make
D.from making