--- Why was Professor Zhang unhappy recently? --- Because the theory he insisted on _____ wrong. A proved B proving C being proved D was proved
________ will it take to see the Chinese Dream come true for our children and grandchildren?
The teacher knows that you are always the first ________ to the classroom since last september.
We can’t take part in the competition ________ we get our student card.
It was announced that only when the examination papers were handed in ________to go out of the classroom.
As a result of the heavy snow,two-thirds of the buildings in the area. A. need to repair B.needs to repair C.needs repairing D need repairing.