根据句意及汉语提示完成句子。 1.  My sister likes reading and she is very________（冷静的）. 2. My brother is good at sports and he is very________（擅长运动的）. 3. I have a________（双胞胎的）brother. He is more serious than me. 4. In America, people are________（狂野的）about basketball. 5. I think Peter has________（更多的）books than Dave. 6. Our math teacher is very________（严肃的）in the class. 7. 'Tom is taller than me'________（意思是）'I am shorter than Tom'. 8. There are many________（注释）in our book to help us understand it better.