Choose A, B, C, D for each gap in the following sentence. 8. Tom didn't know........……. B. what A. why 9. She asked. ..... to find more information about the course, C. where D. while it was too early to apply for the course. C. when A. if B. for D. that 10. My grandfather is the ........ oldest artisan in the village: Ngoc's grandfather is the oldest. A. first D. one B. second C. most