—How old ________you , Jim? —I am __________.
There is no doubt that students________in their study if theymore praise from their teachers.
One of the important lessons children learn from their parents is________
It is safe to eat chicken that________fully, but most people still dare not do that because of the H7N9bird flu .
More historical buildings in the old town will fall down________we try our best to protect them.
— Do you know the young boy________ is reciting a Tang poem over there? — Yes. He's a friend of________ .