Who can you turn to in time of danger, it not ________.
If Liu Dehua hadn’t held his concert in Jinan, I wouldn’t have seen him ______.
I don’t know ____ everyone in my class thinks I’m funny.
It seems quite _____ to expect a student to master 3,000 words within only 5 days.
At the routine office meeting, the headmaster insisted that the problems _________ paid special attention to.
I met one of my students the other day. After several years, she changed a lot and looked different from ____ she used to be.