He _____ to the meeting ten minutes earlier, but he was _______ by a heavy fog.
_______ is our belief that improvements in health care will lead to a stronger, more prosperous economy.
As the busiest woman in Norton,she made_________her duty to look after all the other people’s affairs in that town.
He feltto work for human rights and progress.
--- Do you like here? ---Oh, yes, the air, the weather and the way of life. Everything is so nice.
Is ____ necessary to complete the design before National Day?