In order to raise the efficiency of the water supply, measures should be taken to ____________.
举一反三
- The water will be further polluted unless some measures ______. A: will be taken B: are taken C: were taken D: have been taken
- The water will be further polluted unless some measures ________. A: will be taken B: are taken C: were taken D: had been taken
- ______ piracy，it is necessary that effective measures should be taken right away to stop it.
- In order to ensure the efficiency and accuracy of information，the crew members’ communication should be：
- Water saving farming should be actively developed in order to improve water use _______.