We found ______ necessary to protect the environment.
A: it
B: B. this
C: that
A: it
B: B. this
C: that
举一反三
- We found ________ necessary to protect the environment.
- We have a moral _______________ to protect the environment. (oblige)
- The more trees we plant, _________________. A: the better is the environment. B: the better the environment is. C: the environment is better. D: The environment better is.
- 1. It’s high time that we _____measures to protect the environment.
- On the one hand,we should develop our economy;____,we should protect the environment.