Learn English 100% free...Get 1 free lesson per week // Add a new lesson
Log in!

Click here to log in
New account
Millions of accounts created on our sites.
JOIN our free club and learn English now!

  • Home
  • Print
  • Guestbook
  • Report a bug

  • Get a free English lesson every week!
    Click here!

    - Our other sites

    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 - Although / in spite of / despite - Differences between Like and As - Again/ back - FOR and its use - Do or Make? - Do-don't-does-doesn't
    > Double-click on words you don't understand

    Efficient or Effective

    Choose the right word.

    Twitter Share
    English exercise "Efficient or Effective" created by greg100 with The test builder. [More lessons & exercises from greg100]
    Click here to see the current stats of this English test

    Please log in to save your progress.

    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
    A free English exercise to learn English.
    Other English exercises on the same topic : Frequent mistakes | All our lessons and exercises