问题
We feel _____ our duty to make our country a better place.[ ]
A: it
B:this
C:that
D:one
B:this
C:that
D:one
正确答案是：
同类题型
I prefer _________ some shopping to ________camping since the weather isn’t lovely.
Bob doesn’t have a healthy life. He ______ exercise.
He is a student at Oxford University, _____ for a degree in computer science. [ ]
This hospital needs ____X-ray machine, _____ machine is used for checking for patients.