E ABC


  1. We use a clock or a .............to tell time. 

    2. timer
    calculator
    watch
    thermometer

  2. People in the past used a ...........for this purpose.

    magnet
    sundial
    compass
    calendar

  3. It has many disadvantages. One of the disadvantages is that it cannot be used when the ........ is not shining. .  
    moon
    earth
    sun
    planet


  4. Therefore, it would be quite useless , especially on .........days and night.

    sunny
    windy
    cloudless
    rainy

  5. I need .......... to keep all my documents in. .