【【两道高二英语单选】】!1.( )whether to accept the offer or not,Mary turned to her close friend for advice.A. Not to knowB. Not knowingC. Having not knownD. Not knew2.The newly-designed fishing tool is made of special material,(

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【【两道高二英语单选】】!
1.( )whether to accept the offer or not,Mary turned to her close friend for advice.
A. Not to know
B. Not knowing
C. Having not known
D. Not knew
2.The newly-designed fishing tool is made of special material,( ) it possible for the end to bend freely.
A. thus making
B. it makes
C. to make
D. makes
【【请附原因】】

1.选B 现在分词作状语,表原因,主语和Know是主谓关系,所以用ving形式.
2.选A,动词ing形式与thus相连,放句后,通常有逗号和主句隔开,表示自然而然的结果状语.

B. Not knowing现在分词的否定式做原因状语
A. thus making现在分词做结果状语,表示必然的结果。