شرکت در آزمون آنلاین زبان انگلیسی 1 - زبان انگلیسی 1 | آزمون شماره 14345

While I ……… for English test yesterday, my brother was having fun with his friends.

When we say some animals are …, it means that we can find only a few of them around us.

According to the passage, how many languages was Dr. Hessabi able to speak well?

When you want to buy something, reading the catalogs is … to shop.

One of the main concerns in research principles is to keep the identity of the participants secret during data … and reporting process.