With a lot of difficult problems , the manager felt worried all the time.A. to settleB. se

发布时间：2020-08-17 14:49:38

With a lot of difficult problems     , the manager felt worried all the time.
A. to settle
B. settling
C. settled
D. being settled

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(答案→)A. to settle
B. settling
C. settled
D. being settled
解析：不定式后的动词与所修饰的名词构成动宾关系，一般不用被动形式。而题干中这些问题还未解决，故用不定式表示。
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