—It is said that Jack is very rich and is always changing his private cars.What is he?— ,I am not sure.
________ 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.