题目 1:

The book is very interesting. / I'm reading the book.

题目 2:

The books were very expensive. / I bought the books.

题目 3:

The trees fell down. / The trees were big.

题目 4:

The dresses were too expensive. / She wanted the dresses.

题目 5:

She wants a doll for her birthday. / The doll walks and talks.

题目 6:

I've lost the umbrella. / I bought the umbrella last week.

题目 7:

I passed the exams. / The exams were not very difficult.

题目 8:

This is the car. / I've just bought the car.

题目 9:

The street is called Fifth Avenue. / We are walking along the street.

题目 10:

The store is across the street. / The store is the biggest in this city.

题目 1:

The man is not here. / You were talking to the man.

题目 2:

The teacher was standing at the front. / We handed the papers to the teacher.

题目 3:

I'm looking for someone. / He has a mobile phone to sell.

题目 4:

The young man is a doctor. / We just saw the young man.

题目 5:

The person helped me. / The person was a stranger.

题目 6:

The man had run away with a lot of money. / The police wanted the man.

题目 7:

At last I met the man. / I had heard so much about the man.

题目 8:

The policemen are on traffic duty. / The policemen look very tired.

题目 9:

This is the girl. / The girl found your money.

题目 10:

They looked for the men. / The men were selling tickets.