题目

I can't say I want to visit my grandma. I haven't met her for a long time. A . how much B . how far C . how long D . how often 答案：A围成圆形的栏杆的影子都在圈外，则影子是在下列哪种光照射下形成的（ ）A．太阳光B．圈里的路灯的灯光C．手电筒发出的灯光D．台灯的灯光