用来设置AutoCAD多种参数的选项对话框在（）下拉菜单内。
A、工具
B、视图
C、格式
D、窗口
参考答案：A
He kept quiet about the punishment ______ be laughed at by his friends.
[ ]
A. in order to not
B. in order not to
C. not in order to
D. so as to not
我国在（）年把清明节定为法定假期。
A、2005
B、2008
C、2009
D、2010
