Looking out of the window of my room, ___ a tall tree in the yard.

Did you borrow the book from the library ? —Yes. I _______ it for three days. I’ll return it this afternoon.

In the past few years there ______ great changes in my hometown.

Thousands of people______ after the powerful earthquake happened in Wenchuan on May 12th.

We sleep the night and work in the day.[ ]