شرکت در آزمون آنلاین زبان انگلیسی 1 - زبان انگلیسی 1 | آزمون شماره 10342

A: Why do you need to borrow my suitcase? B: I ………. my mother in Scotland next month.

I try to understand my colleagues and have the greatest .......................... for them.

According to the author, what is a “food web”?

According to the second paragraph, those scientists who make people’s lives easier … .