—Is Mike a diligent student? —No,but he is a lazy one,if ___ .
The news got around the world; people came from___________to see the wonder.
With housing prices rising sky – high, I doubt whether I can afford a house___________in my life time.
--- What about___________concert? --- It was too boring, you know, _____________concert for me.
It’s already 10 o’clock. I wonder how itthat she was two hours late on such a short trip.
_______ what would happen, none of them could find a way out.