1. There is no need _______ (thank) me. That's what I should do.
2. What _______ you _______  (do) last night? I _______ (write) a letter to my pen pal.
3. He_______ (have) a busy day off last week.
4. All of the children had fun_______ (visit) the dolphins in the aquarium.
5. How _______ (be) your school trip last summer? Oh, it_______ (be not) too bad. I enjoyed myself.
6. On my way back home I _______ (meet) my math teacher Mr Wang the day before yesterday.
7. _______  she often_______  go hiking with her mother?
8. _______ (not be) late for school next time.
9. I _______  (see) some dolphins on the beach when I _______ (go) there with my parents last
    weekend.
10. It _______ (be) snowy this morning. You must wear more clothes.