8. When the first child was born, they.............married for three years.

A. have been married

B. had been married

C. will been married

D. will have been married

2. He has been selling motorcycles.................

A. ten years ago

B. for ten years

C. for ten years ago

D. since ten years

3. Columbus............America more then 400 years ago.

A. discovered

B. has discovered

C. had discovered

D. he has gone

4. He fell down when he ............towards the church.

A. run

B. runs

C. was running

D. had run