Distinguished guests and friends, welcome to our school. the ceremony of the 50th Anniversary this morning are our alumni(校友) from home and abroad.
________ the program,they have to stay there for another two weeks.
The country has already sent up three unmanned spacecraft,the most recent ________ at the end of last March.
The children went home from the grammar school,their lessons ________ for the day.
—Come on,please give me some ideas about the project.—Sorry.With so much work ________ my mind,I almost break down.
John received an invitation to dinner,and with his work ________,he gladly accepted it.