1. He has sold motorbikes……
A. 10 years ago B. since 10 years C. for 10 years ago D. for 10 years
2. They………table tennis when their father comes back home from work
A. will play B. will be playing C. play D. played
3. By Christmas, I ……….for Mr. Smith for 6 years.
A. shall have worked B. shall work C. have worked D. shall be working
4. John …..a book when I saw him
A. is reading B. read C. was reading D. reading
