问题
选择题
If I_________her e-mail address,I________the long-distance call.[ ]
A. knew ; would
B. had known ; would have made
C. had known ; wouldn't have made
D. would know;had made
答案
C
If I_________her e-mail address,I________the long-distance call.[ ]
A. knew ; would
B. had known ; would have made
C. had known ; wouldn't have made
D. would know;had made
C