问题

Firms that use computers have found that the number of staff _____ is needed for quality control can be greatly reduced.
A:whose
B:as
C:what
D:that
B:as
C:what
D:that
正确答案是:
同类题型
________ Tom liked to eat was different from ________.
Would you mind if I open the windows—, go ahead.
He has ___ letters to answer and has to work from morning to night. [ ]
He had to speak in a loud voice in order to make himself_________.
Madam Curie, ________life had once been very hard, was given two Nobel Prizes.[ ]