is known to us all is that the old worker, life was hard in the past, still works hard in his seventies.
The project is based on an agreement, one of ________ purposes is to ensure that the project can be accomplished before the deadline.
Until we have discussed all the details, no decision _______ about any new operations.
Never before ______ such a wonderful place ______ Qingdao.
The suggestion of the meeting __________was not adopted by the chairman, so the meeting would be held on time.
The teacher stressed again that the students shouldn’t __________ any important details while retelling the story.