1. Sometimes we find her _______ (drive) the tractor on the farm.
2. Li Lei is asking his uncle, an English teacher, _______(help) him think of a foreign name.
3. --- Hi! Li Hong. I didn't see you at the party.
--- Oh, I was busy _______(get) ready for the coming exams.
4. The old men enjoy _______(listen) to the singing of the birds in the park.
5. The girl _______(stand) under the tree is my cousin Kate.
6. Books _______ (write) in easy English are very popular among Chinese middle school students.
7. Why did you keep your brother _______ (wait) for a long time that evening?