1．Jack is late again.It is ________ of him to keep others waiting.
A．normal B．ordinary
C．common D．typical
解析：it's typical of sb.to do sth.做某事是某人的特征。句意：杰克又来晚了。让别人等是他的一贯做法。
答案：D
2．When you perform the play，you must read the script and follow the stage ________.
A．constructions B．introductions
C．directions D．operations
解析：stage directions“舞台说明”。
答案：C
