شرکت در آزمون آنلاین انگلیسی 3 - درس سوم | آزمون شماره 137

1-

This medicine ...................... every ۶ hours ; you will feel better after a while for sure.

2-

Hydropower, solar energy and fossil fuels are main ...................... of energy in the world.

3-

A ................................ reaction occured in the science lab when atom change took place during a mixture process.

4-

A rare plant named the brid of paradise ................... only ................................ in South Africa.

5-

In order to light up the stadium , the authorities decided to use powerful ........................  .