Every device in the plane must be designed and made with great care so as to make sure that nothing goes wrong in operation.
A. fitted
B. to be fitted
C. fitting
D. being fitted
网友回答
A. fitted
(答案→)B. to be fitted
C. fitting
D. being fitted
解析：此题考查非谓语动词作定语时的区别。本题中fit动作是将要发生的动作，因为这些装置还未设计出来，fit动作肯定没发生，另外fit与device（装置）之间存在被动关系，故选答案B。