At the meeting, the headmaster said that the government should prevent such things as hurt children ________again.A. happening B. happen C. to happen D happened
The boy __________ an apology for being late to the teacher.
She has already tried her best and she is __________ for her job. Please don't be too __________ about it.
He gave me some very __________ advice on buying a house.
It was necessary to __________ the factory building as the company was doing more and more business.
Leaves are found on all kinds of trees, but they differ greatly __________ size and shape.