شرکت در آزمون آنلاین زبان انگلیسی 1 - درس 4 | آزمون شماره 436

A scientific test that is done in order to study what happens and to gain new knowledge is called a/an ……… .

We speak Farsi at home so that the boys don’t lose touch with their language and ……… .

If you want to travel, contact a ............... agent about reservations, times and costs.

You ......................... not vaccum the carpets because Carola has already done it .

............................ ruins in historical places are an excellent indicators of a region's culture.