5 Write in, at or on.

Решение:

1. Ann's birthday is on May 5th.
2. We have breakfast in the morning.
3. We have lunch at noon.
4. We have dinner in the evening.
5. He usually goes to the park on Sunday afternoon.
6. They usually play tennis on Saturday.
7. We usually go swimming in the summer.
8. We usually have breakfast at 8 o'clock.
9. It is cold in the winter.
10. It is rainy in the autumn.
11. Jim doesn't work on the weekend.

Ответ: 1-on, 2-in, 3-at, 4-in, 5-on, 6-on, 7-in, 8-at, 9-in, 10-in, 11-on.