شرکت در آزمون آنلاین انگلیسی 3 - انگلیسی 3 | آزمون شماره 10423

Jack put the bullet under a microscope, ......... it 1000 times and going over the surface nanometer by nanometer.

Something ......... about global warming, or some types of animals and plants will die out.

In every society, there are some people would just like to live in a house - any kind of house. These are homeless, the ……… urban inhabitants.

He wanted to talk to his teacher ........................ his medical exam. He did not feel ready at all.

The main purpose of paragraph 2 is to explain how puppies … .