If we had taken such effective measures much earlier, the river _____ so seriously now.
A: is not polluted
B: would not be polluted
C: had not been polluted
D: would not have been polluted
A: is not polluted
B: would not be polluted
C: had not been polluted
D: would not have been polluted
举一反三
- If we had taken such effective measures much earlier, the river _____ so seriously now.
- Many lakes and rivers ________ by industrial waste. A: A have polluted B: B have been polluted C: C had been polluted D: D has been polluted
- The water will be further polluted unless some measures ________. A: will be taken B: are taken C: were taken D: had been taken
- The water will be further polluted unless some measures ______. A: will be taken B: are taken C: were taken D: have been taken
- If you ______ with George earlier, you _____ so angry now. A: talked; would not be B: had talked; would not be C: would talk; would not be D: had talked; would not have been