从方框内选择词的适当形式填空。
northern, stop, ride, quickly, forget, Canada, fish, sightsee, plan, babysit
1.—What are you doing for vacation?
—I'm ______ my sister.
2. In ______ America, most students go to school on the school bus.
3. —What are your ______ for weekend?
—I am ______ to go to Tibet for a week.
4. The school bus ______ at the bus stop this morning.
5. If I'm free, I'd like to go ______ in the countryside.
6. Yesterday I ______ a bike to go bike ______.
7. Going ______ along the river is a fun way to relax.
8. He gets up at 6:00 and has a ______ breakfast.
9. Ben is going to ______ Great Lakes.
10. I suddenly ______ her name when I saw her the day before yesterday .