As nobody here knows what is wrong with the machine， we must send for an engineer to
the problem.
A.handle B.raise C.face D.present
As nobody here knows what is wrong with the machine， we must send for an engineer to
the problem.
A.handle B.raise C.face D.present
A
句意为：因为这儿没有人知道机器出了什么故障，所以我们必须去请一位工程师来解决这个问题。handle处理，解决；raise抬高；饲养；养育；提出（问题等）；face面对，面临；present呈现；介绍；赠送。