题目内容
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
练习册系列答案
相关题目
题目内容
Frank insisted that he was not asleep ________ I had great difficulty in waking him up.
whether
although
for
so