شرکت در آزمون آنلاین زبان انگلیسی 1 - زبان انگلیسی 1 | آزمون شماره 10690

Look at those black clouds. It ……… rain.

Tom's professor explained the difference between science and .................... , the first one is what researchers are currently working on and the second one is what human has already found out about the world.

Galileo was the first person who looked into the ........................ through a(n) ......................... over ۴۰۰ years ago.