——You should have come here to attend his birthday party!All the boys waited a long time....
问题描述：
——You should have come here to attend his birthday party!All the boys waited a long time....
——You should have come here to attend his birthday party!All the boys waited a long time.
——I meant______,but Ihad an unexpected guest
A.to do B.to C.doing D.doing so
这里为什么选B.
答
你应该到这来参加他的生日聚会!所有的男孩都等了好久了.
我本来打算去,但是我有个不速之客.
mean to do sth.
打算做某事
省略了后面的动词.因此选B