It is essential that we __________ measures to protect the ozone layer.
A: will take
B: should take
C: would take
D: took
A: will take
B: should take
C: would take
D: took
举一反三
- We should take measures _________ the environment at once. A: to protect B: for protecting C: protecting D: on protecting
- It is high time that the government ( ) measures to protect rare birds and animals. A: takes B: took C: taken D: should take
- I think it’s high time we (take)_____ strict measures to stop pollution. A: took B: would take C: had taken D: have taken
- We should take measures to p____________ the environment.
- It will be better that we ______ the trip the other day. A: take B: took C: would have taken D: will take