选择恰当的词填空。 Who How many How tall How much When Why What Which Where How ________students are there in your class? There are 45. ________is cleaning the room? ________is Tom? He is 125cm. ________are your shorts? They are 80 yuan. ________did you do last summer holiday? I went to Beijing to visit my sister ________man is your father? The tallest one is. ________is Nina sad? She failed the math exam. ________did they went to the new movie? Last Tuesday afternoon.. ________does Lily's sister Lucy feel? She is very happy because they can go together. ________does your mother work? A car factory.