New technology __________ to stop the students from cheating in the exam last year.A. used B. is used C. was used
_______? It’s orange.
I have ____ soccer ball, but I don’t play_______ soccer.
---Could I have a rest, Sir.? ---____________, we have little time left.
He has to______20 yuan on the book.But I needn’t _____any money for it.
The ________ has four _________.