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