1.The students feel the hard press because of the coming exam.
2.By the time I went to the check-out,I realised I have left my purse at home.
3.Our work has endless forever.
4.A documentary as long as two hours observed with no diatance the swans’ life.
1 are under great pressure/ the exam is drawing near
2 I came to the check-out/realised that I left my purse
3 can't be possibly completed for ever
4 A 2-hour-long documentary closely observes
1.are under great pressure/the exam coming
2.going to the check-out/realized I forgot my purse
3.has never an end.
4.A 24-hour documentary observes closely