شرکت در آزمون آنلاین انگلیسی 3 - درس سوم | آزمون شماره 754

School libraries can be a very useful and available ……… of information for the students.

They know much information .......................... when somebody reads a text and pays close attention to the key point.

Children are like little sponges that seem to be able to .....................  languages very quickly .

The only reason in not knowing much about south pole is its hostile ........................  .