Are you sure __________ great progress this year?

问题描述:

Are you sure __________ great progress this year?
238.—Areyou sure __________ great progress this year?
—Yes,of course.
A.of her getting B.of her to get C.herto get D.her getting

A
可以变成
Are you sure that she is getting ……
be sure of 是固定搭配;be sure to do 是一定的意思