阅读理解。 Billy is a student of Grade Two. He doesn't work hard(努力) at his lessons. He likes to play. But he thinks he is very clever(聪明). One afternoon Billy goes home after school. He is very hungry(饿). So he says to his mother, 'Mum, I'm hungry. Can I have something to eat?' 'Supper is not ready. But here are two apples. You can eat them first,' says his mother. Billy takes the two apples in his hands. He looks at the apples and says, 'Mum, I have three apples now. Look, this is the first (第一)one. This is the second (第二)one. Isn't one and two three?' 'Oh, yes, you are very clever, Billy,' says his mother(母亲), 'now please give me the first one. Give your father(父亲) the second one. And you eat the third (第三)one.' 根据短文内容，选择正确答案。 1. Billy  is a student of_____. A. Class Two B. Grade  Two C. Class Two D. Grade Three 2. Billy is_____when he gets home. A. tall B. short C. hungry D. happy 3. Does  Billy like his lessons ? _____. A. Yes, he is B. No ,he isn't C. Yes , he does D. No, he doesn't 4. In fact( 事实上), Billy's  mother only has _____ . A. an apple B. two  apples C. three apples D. no apples 根据短文内容，在空白处填入正确的词。 5. Billy _____ the two apples in his hand, he thinks he is very _____ .