问题

You should have thanked the hostess before leaving. —I meant ______. But I couldn’t find her when I was leaving.

A:to
B:to do
C:doing
D:doing so

正确答案是：

同类题型

How is your mother—__________

My Dad did not theidea that I would go camping with my friends this weekend. He said it wasdangerous for girls to live outside.

Did Zhou Libo say anything that_____ you in Mr Zhou Live Show—Not really. Actually I slept through his performance.

MrWang was caught in a snowstorm yesterday—I have known that, and ______ his new car was completely destroyed

Not until he retired from teaching two years ago ______ having a holiday abroad.