6. I ______ Texas State University now.

A. am attending B. attend

C. was attending D. attended

7. He has been selling motorbikes ________.

A. ten years ago B. since ten years

C. for ten years ago D. for ten years

8. Christopher Columbus _______ American more than 500 years ago.

A. discovered B. has discovered

C. had discovered D. had been discovering

9. He fell down when he ______ towards the church.

A. run B. runs C. was running D. had run

10. We _______ there when our father died.

A. still lived B. lived still C. was still lived D. was still living