The hip-pop singer is always drawing attention to issues that are usually ignored. That’s ____ is so great about him.
A. that B. what C. all D. how
With the world changing fast, we have something new _____ with all by ourselves every day.
A. deal B. dealt C. to deal D. dealing
—Have you been to the Great Wall?
—Perhaps not in my memory. ________, it might have been during my early childhood.
A. If any B. If so C. If ever D. If not
The question that puzzled them is ____ they can get rid of the air pollution in the area.
A. how is it that B. that how C. what is it D. how it is that
Teachers have to constantly update their knowledge in order to maintain their professional _____.
A. consequence B. independence C. competence D. intelligence
“I don’t think it’s my _______ that the TV blew up. I just turned it on. That’s all.” said the boy.
A. error B. mistake C. fault D. duty
