— Why are the four students so happy?—______ in the science competition, they are awarded prize money totaling $ 20,000.
Jack went back home after a heated discussion, _______.
Mary can speak Chinese fluently, _____ impressed me most.
Generally speaking, according to the directions, _____ the drug has no side effect.
According to the rules of the library, a book can _____ for three weeks, and a DVD for one week.
What _____ pity that you couldn’t go there to receive ______ prize!