29. I like Mr. Miner's speech; it was clear and______the point.
| A．at | B．on | C．to | D．Of |
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 |