2．
在短文的空格内填入适当的词，使其内容通顺，每空格限填一词，首字母已给
This is Mr. Smith. His first nis David. He has two sons. Bob is t. Jack is twelve, too. They're in
the same school. Bob is iClass
Three. Jack is in Class Four. Their mis a teacher of English. She lher pupils very much.
