During the examinations we are supposed to remain in our seats, fix our eyes on the papers, ________ anyone.

 A. instead of speaking to                     B. and not to speak to

  C. rather than speak                             D. but shouldn't speak to

________ along the quiet road at forty miles an hour, and then an old man suddenly started to cross the road in front of me.

A. Driving                      B. I was driving            C. When I was driving   D. Having driven

Computers are playing an important role in our daily life and _____ is hard to find a field where computers aren’t being used.

    A. as              B. which            C. it               D. this

Mr. Li is fond of all kinks of sports；__________.

  A. as football is his favourite                B. while he likes football best

  C. football being his favourite                D. his favourite is football, though

____________, and you will succeed.

       A．Making more efforts                            B．More efforts

       C．To make more efforts                          D．If you make more efforts