问题
选择题
－What's made you so upset?
－_____ with my best friend. [ ]
A. Quarrel
B. Quarrelling
C. Because of quarrelling
D. Since I quarreled
答案
答案：B
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－What's made you so upset?
－_____ with my best friend. [ ]
A. Quarrel
B. Quarrelling
C. Because of quarrelling
D. Since I quarreled
答案：B