Being blind is something _________ most people can’timagine.

It was reported that a powerful typhoon hit thePhillippines _______________ November, 2013.

______ in the near future, vision-phones will come into wider use in our ____ life.

It’s reported that the Ebola epidemic(埃博拉疫情) in West Africa is under control now!-But much more international help _____ to end this serious crisis(危机) that the whole world has never met before.

I met a good friend of mine while I on the street.