We should take measures _________ the environment at once.
A: to protect
B: for protecting
C: protecting
D: on protecting
A: to protect
B: for protecting
C: protecting
D: on protecting
举一反三
- Pollution should by any means be stopped ____ the environment. A. from protecting B. protecting C. to protect D. to protecting
- It is important that we _____ wild animals. A: will protect B: should protect C: shall protect D: are protecting
- We should not forget our ( ) for protecting nature.
- We should not forget our ____protecting nature.
- We should not forget our ____________ (responsible) for protecting nature.