1．It's time for class and we should ________ to do today's homework.
2．Finally I ________ find the golden watch I had lost at the sports meeting.
3．She ________ her former schoolmate in town yesterday and they hadn't seen each other for long.
4．His youngest daughter ________ music；he plans to send her to a music training school.
5．I saw some children waving to the foreign guests ________，but I couldn't see them clearly.
