下列关于图层蒙版的说法是：（）
A.蒙版可以被禁用
B.蒙版可以被替换
C.蒙版的形状可以被修改
D.蒙版的颜色可以被修改
参考答案：A, B, C, D
The old man said that he would____more people who would not have too much work to do this
week to come to do the construction work. [ ]
A. let
B. promise
C. get
D. make
《阿尔汉布拉宫的回忆》是由什么乐器演奏的（）
A．钢琴
B．吉他
C．小提琴
