单项选择题

It was（）he was ill that he did not go to Mount Tai with us in our summer vocation.

A.because
B.as
C.since
D.though

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单项选择题

（）that bad weather was on the way, the climbers decided to put off their attempt on the Alps until the following week.

A、 Having told
B、 Being told
C、 Telling
D、 Having been told

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