单项选择题
A. provide B. offer C. extend D. show
A. to have a good time B. a good time C. have a good time D. will have a good time
A.包装材料;固定包装;透明包装 B.包装袋;灵活包装;透明包装 C.软包装;透明包装;包装材料 D.包装材料;软包装;透明包装