1. It’s high time that we _____measures to protect the environment.
举一反三
- ________ measures need to be taken to protect the environment.
- We should take measures _________ the environment at once. A: to protect B: for protecting C: protecting D: on protecting
- I think it is high time we (take) __________ strict measures to stop pollution.
- It’s high time that we ________
- It is high time that the government ( ) measures to protect rare birds and animals. A: takes B: took C: taken D: should take