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
