Mary ______ all the housework, she dropped herself into the sofa, sighing with relief.
David apologized for _______ to inform me of the change in the plan.
Can $ 500 _________ the cost of the whole trip?
What he said is not to the point _____ we should focus on constructing a harmonious society.
My cousin went to Canada two years ago. He ____ there for a few months and then went to America.
My laptop computer, _______ I can’t go on with my work, broke down the other day.