(a+b)

1. I ............Louisiana state University.

A. am attending

B. attend

C. was attending

D. attended

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

5. We ............there when our father died.

A. still lived

B. lived still

C. was still living

D. were still living