______ we were very tired, we kept on __
题型:选择题
问题:
______ we were very tired, we kept on ______ until midnight. [ ]
A. Even though; working
B. Since; to work
C. Though; to work
D. Because; working
______ we were very tired, we kept on ______ until midnight. [ ]
A. Even though; working
B. Since; to work
C. Though; to work
D. Because; working