1．That's my schoolbag. Give _____ to _____, please.
2．A: Oh, dear! I can't find _____ bike.
      B: Don't worry. I think I can help _____. Is that bike over there _____?
3．A: Dad, we can't carry this bag. It's too heavy. Could you come and help _____?
      B: Wait a minute. I can help _____ carry it.
4．They are your new teachers. Please go and say "hello" to _____.
5．Bob is an English boy. _____ father is Mr Brown.