ESERCIZIO NUM: 818 - CATEGORIA: grammatica > preposizioni - DIFFICOLTA': ***

Scegli la preposizione corretta fra AT, IN oppure ON:

1. Class starts ______ 7:00 p.m. today. // 2. They go to class ______ Mondays, Wednesdays, and Fridays. // 3. There are no classes ______ summer. // 4. Elizabeth likes to take a nap ______ noon. // 5. Every year I go on vacation ______ August. // 6. He will be 21 years old ______ September 4, 2017. // 7. We like to ski ______ winter. // 8. Today the sun sets ______ 8:15 pm. // 9. ______ Monday mornings I go to the gym. // 10. She plants vegetable seeds ______ April.