问题
选择题
Some of the engines were not suitable for the work they were ________ for.
A．intended
B．to intend
C．intending
D．being intended
答案
答案：A
考查语态。句意：一些引擎不适合他们意向的工作。结合句意可知the work是intendfor的动作对象，故用被动语态，选A。
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