Помогите вставить предлоги вместо знаков ?. Срочно!

1.My uncle gets up ? 7o'clock.
2. ? Monday I'll go to college.
3. I get here ? foot.
4. I like to talk ? phone.
5.He watches films ? TV.
6.We go ? school ? morning.

1. My uncle gets up at 7o'clock.

2. On Monday I'll go to college.

3. I get here on foot.

4. I like to talk on the phone.

5.He watches films on TV.

6.We go to school in the morning.