It is reported that ____recently discovered painting may be _____ Van Goph.
The meeting started at ten o’clock, but the chairman has not _________ yet.
_________ impressed the visitors was _______ the trees were so tall in Vancouver.
__________ a terrible storm would attack the old town.
After entering the meeting hall, Mike _______ a friend and went over to greet him.
The aging population in China will greatly _______ the whole society.