问题
Did you return Fred’s call—I didn’t need to________I’ll see himtomorrow.
A:though
B:unless
C:when
D:because
B:unless
C:when
D:because
正确答案是：
同类题型
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____ the expense, I ____ a round-the-world tour.
Not only my friends but also I interested in football and Messi is our favorite star.