the zoologists tried to prove was that the photo of the South China Tiger had been staged or technologically dealt with.
Information technology is taught in most schools in our country, ________ we have entered the information society.
________ enough time, but he couldn’t do it better.
______ I can know, there is no better way to keep away from the danger.
He said he would work it out himself, ________ ask nobody for help.
They were swimming in the river ______ suddenly the storm started.