选择填空。
What, When, How, Why, Who, Where, How much, How many, Which, Whose
（1）— ________ is Christmas?
— It is on December 25th.
（2）— ________ stars are there on the Christmas tree?
— Only one.
（3）— ________ does Maddy go?
— He goes to his bedroom.
（4）— _______ would you like for Christmas?
— I would like a little toy.
（5）— ________ card do you like best?
— I like the red one best.
（6）— ________ can he get to school today?
— He got to school by bike.
（7）— ________ is the umbrella?
— It is two dollars.
（8）— ______ pen is this?
— It is Maddy’s pen.
（9）— The Christmas is coming. ______ are you so happy, Maddy?
— Because Christmas is my favourite holiday.
（10）— ______ are they over there?
— They are my uncle and my aunt.