George appears______a hard time convincing his employer that he is right over it.
A．having
B．to be having
C．to have
D．having had

未分类题It is reported that by the end of next month the output of personal computers in the factory______by 10%.A．will be risingB．will have risenC．has risenD．has been rising

未分类题______the beginning of the nineteenth century that the creation of more universities was seen to be either necessary or desirable.A．It was untilB．It was not untilC．Not it wasD．It was from

未分类题In recent years there has been a very rapid increase in the numbers of young people, especially girls, ______higher education.A．seekB．seekingC．soughtD．to seek

未分类题You can fly to London this evening______ you dont mind changing planes in Paris.A．providedB．exceptC．unlessD．as soon as

未分类题Early retirement is a means of reducing the work-force______avoiding redundancies.A．byB．whileC．in view ofD．for fear of