آزمون آنلاین زبان انگلیسی 2 - درس سوم | آزمون شماره 4238

Charles Dickens once said, “......... on your present blessings, of which every man has many; not on your past misfortunes, of which all men have some.”

There are useful chemical ……… that are made from tobacco, including those which kill most insects.

I ........................ to pay back all the money that I ........................... from you last month.