问题
选择题
— Did you return Fred's call?
— I didn't need to, ______ I'll see him tomorrow. [ ]
A. though
B. when
C. unless
D. because
答案
答案：D
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— Did you return Fred's call?
— I didn't need to, ______ I'll see him tomorrow. [ ]
A. though
B. when
C. unless
D. because
答案：D