问题
选择题
Frank insisted that he was not asleep ________ I had great difficulty in waking him up.[ ]
A. whether
B. although
C. for
D. so
答案
答案：B
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Frank insisted that he was not asleep ________ I had great difficulty in waking him up.[ ]
A. whether
B. although
C. for
D. so
答案：B