[单选题]( ) is often the case with children, Amy has been better by the time the doctor arrived.

[单选题]He talked about the classmates and the school ( ) he had visited.

[单选题]You have seen the girl ( ) sister is a Chinese teacher.

[单选题]We came to a place ( ) they had never paid a visit before.

[单选题]This was the best model of a radio set ( ) the factory produced in 1997.

[单选题]We’ll never forget the day ( ) the teacher came to see me in the hospital.

[单选题]He told me everything ( ) he had seen in the factory.

[单选题]The two pupils ( ) you taught three years ago have become drivers.

[单选题]The first thing ( ) my sister is going to do this evening is to write a report about English study.

[单选题]This is the biggest tiger ( ) has ever been shown in the zoo.

[单选题]The doctor ( ) is treating for your heart trouble is a friend of mine.

[单选题]The man ( ) was a friend of mine.

[单选题]I shall never forget those years ( ) I lived in the country with the farmers, ( ) has a great effect on my life.

[单选题]This is one of the best books ( ) .

[单选题]The bridge ( ) a big ship can go has been built.