— John is under the weather today. He needs to see a doctor.
— I'm sorry to hear that.
A:hungry
B:tired
C:sick
关于甲、乙、丙、丁四个装置(如下图所示)的说法不正确的是( )
The children are having fun _________ on the beach(海滩).
一副三角板按图所示的位置摆放,将△DEF绕点A(F)逆时针旋转60°后,测得CG=10cm,则两个三角形重叠(阴影)部分的面积为( )