A:___Is _____your birthday___in _____March,Helen?
B:No,it isn't.
A:__When _____is your___birthday _____?
B:It's in April.
A:___Who____has a____birthday _____in March?
B:My grandma.
A:___What's ____the___date _____?
B:It's March 13th.Let's make a card for__her _____.
A:___Good ______idea.
加油!不明白再问!