问题
_____ she was no more than twenty-two, she was already a highly successful business- woman.[ ]
A: Though
B: Once
C: Because
D: Since
B: Once
C: Because
D: Since
正确答案是：
同类题型
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The police need some more evidence________they can make a conclusion
What do you think of their performances?— Very wonderful.I was deeply________with the last one. [ ]