A. Because it was more than he could afford. Because he preferred the plain ice cream. C. Because he wanted to leave a tip for the waitress. D. Because he didn’t want to spend all his money.
A. Five cents. B. Seven cents. C. Ten cents. D. Fifteen cents.
Astonished. B. Angry. C. Pleased. D. Ashamed.
A. 开始形成 B. 继续发展 C. 达到成熟 D. 基本形成
A. 革命与发展 B. 战争与革命 C. 战争与发展 D. 和平与发展