Unit 10 Youre supposed to shake hands. 第五课时 Section B (2a2e) 一、根据句意及汉语提示完成下列句子。每空一词。 1 Speaking is one of the _(基本的 ) skills in learning English. 2 I saw a group of _(十几岁的 ) boys play basketball in the park just now. 3 We shook hands ， _ (交换 ) addresses and said goodbye to each other. 4 Is it polite to put your _(胳膊 ) on the table while eating in China? 5 Some students in our class _(表现 ) badly when the teacher was out of the classroom. basic teenage exchanged elbows behaved 二、根据句意，选择方框中的单词并用其适当
