97.Tim was a very poor(贫穷的)boy,but now he is very rich(富有).Every dog has its day. Translate the sentence underlined into Chinese.(将划线的句子翻译成汉语。) ______________________________ 98.I know that from A to Z. 这句话意思是_______ A.从A到Z B.从头到尾 C.字母表 D.距离很远 99. What kind of dog never bite(咬人)?______________ 100. Which letter is very useful(有用的) to a deaf (聋哑的)man? ____________