We must try our best to stop the pollutiona happier life.

About of the students like keeping diaries in English in our class.

Excuse me, are these books ________? — No, they are _________ classmate’s

When and where shall we meet tomorrow? —Let’s _______ it 3:00 p. m. at my home.

Tom! Don’t put the book so close to your eyes! Move it a bit. — OK, mom. Is it all right?