问题
选择题
---It’s a long time since I saw my sister.
---_______________ her this weekend?
A．Why not visit
B．why not to visit
C．Why not visiting
D．Why don’t visit
答案
答案：A
Why not...? 意为“为什么不……呢？”用于提出建议。Why not后面必须接动词原形，即“why not do...?”。