He made up his mind to devote his life _______ pollution _______ happily.

you ever to Egypt ——Yes , twice. The Pyramids are really full of history.

One of my classmates accidentallyhe had cheated in the last examination, or he wouldn’t have got so high a mark.

have learned that you will take part in the sports meeting next week.— Yes. Bue I am thinking of ______. I am not fit enough.

It is very important that you _______ for this examination.