9. I spend about two hours walking to school.
10. It took Susan an hour to prepare her report.
11. I spent three months learning piano.
12. It took Adam 30 minutes to read a book everyday.
13. It often takes her 20 minutes to review her lesson before class.
9 l spend about two hours walking to school
10 it took susan an hour to prepare her report
11 l spent three months learning piano
12 it took adam 30 minutes to read a book everyday
13 it often takes her 20 minutes to review her lesson before class
