-When is your father's birthday? birthday is on May 2nd
--- I _____ read this book _____ I understand it.--- You are great, I should learn from you.
---Tom is a calm boy.--- So he is. _______ makes him excited.
--- Let us run quickly, we are too late.--- Don’t worry, we have _____ the meeting.
He’d better stop talking, __________?
---I _________ Ann with her Chinese over the years, but she can’t speak it at all.--- Never mind, she is too young.