C. put on D. put upР ( ) 10. A: Do many children in our class often skate ________ winter?Р B: Yes, they usually have fun _______ winter.Р A. in, in B. on, on C. at, atР ( ) 11. A: Does the autumn start _________ August?Р B; Sometimes it does. But usually it starts _______ September.Р A. in, in B. on, on C. at, atР( ) 12. I usually play table tennis ________ school.Р A. after B. when C. byР ( ) 15. When is May Day? It’s _______ the first of May.Р A. on B. in C. atР( ) 16. They will move to the new school ______ next Monday.Р A. on B. in C. /Р( ) 17. He always goes to school at 7:00 ______ every day.Р A. on B. in C. /