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    Learn English > English lessons and exercises > English test #83063: Efficient or Effective
    > Other English exercises on the same topic: Frequent mistakes [Change theme]
    > Similar tests: - Placement test beginners: Check your spelling - Past simple or present perfect - Again/ back - FOR and its use - Although / in spite of / despite - Differences between Like and As - Bill, tip, fare, fine, fee - Tall, high, great
    > Double-click on words you don't understand


    Efficient or Effective


    Choose the right word.



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    English exercise "Efficient or Effective" created by greg100 with The test builder
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    1. This is the best car on the market.Its engine saves gas.

    2. The vitamin appears to be more than vaccines at preventing influenza infections.

    3. It may be the most at reducing fever.

    4. employees are those who are productive without waste.

    5. The law is from Friday.

    6. That teacher is quite at making his students learn English.

    7. My computer is energy - . It saves energy.

    8. This medicine is one of the most pain relievers.

    9. I'm very as I know how to get things done without wasting time.

    10. energy use is the solution to expending less energy.









    End of the free exercise to learn English: Efficient or Effective
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