She was tired so she went home yesterday.

He has studied English for four years.

Children should have a special day to express their feelings, memories and love to their parents.

We have an opportunity to enhance family traditions.

Sunday is a day off so everybody is free from work or study.

He is busy right now so he can’t help them.

→ If he weren’t busy right now, he could help them.

He is tired this morning because he didn’t go to bed early last night.

→ If he had gone to bed early last night, he wouldn’t have been tired this morning.

 A special edition has been written for children by the author.

 Because she was sick, she went to bed early.

 Mrs. Brown has just bought a very fast and modern car.

 Mr. Nick suggested changing the date of the meeting again.

 My nephew is interested in feeding fish every morning.

 The teacher asked his students to listen to him and not to make a noise.

 My friend asked me whether I were going to leave the following day.

1. No, it isn’t.

2. Toronto.

3. 31,592,805

4. English and French.

5. Ottawa

1. traditionally

2. fashionable

1.  I   arrived at Ha Noi Train station at 2 p.m last Monday.

2.  I have already visited a lot of famous places in Ha Noi.

3. I am really impressed by the beauty of the city and by the freindliness of its people.

 4. I will return home next Friday.