______ he was very tired, ______he didn’
问题:
______ he was very tired, ______he didn’t stop working. [ ]
A. Though; /
B. Though; but
C. But; /
D. Because; /
______ he was very tired, ______he didn’t stop working. [ ]
A. Though; /
B. Though; but
C. But; /
D. Because; /