.—Why not us and have a good time at the party?-I would love toI have a lot of homew

问题补充：

.—Why not us and have a good time at the party?

---I would love to. I have a lot of homework to do.

A. join in , But

B. take part in, And

C. join, And

D. join. But

答案：

A. join in , But

B. take part in, And

C. join, And

(答案→)D. join. But

解析：句意：你为什么不加我到我们玩的开心那？----我很乐意，但是我有太多的作业要做。Jion sb加入到某人行列中来，征求建议的语气用委婉的拒绝，I would love to，but…..结合语境可知选D