Every time I heard the other studentstalking and _____, I felt my heart ____

Mail is ________ to our office twice a day.

Examination compositions, together with most business letters and government reports, are the main situations ________ formal language is used.[ ]

You work all day and you go to parties all night You must be crazy! You know you can’t ____________, don’t you

It’s difficult for us to __________ each other because we have spent so much time together .