Now one of the most serious problems many people are worried about _____ on the lack of adequate housing space.
I have never dreamed of ______such a beautiful place in the world.
The hunter insisted that he _____ a tiger and that a searching team ______ to hunt for it.
_____ of the students who took part in the military training is 450.
This is the first time that I ___________ at the meeting.
That salesman _____ me to buy his MP4, but it doesn’t work well now.