问题
选择题
Mr Wu always spends a lot of time explaining things to us. He is so _______.[ ]
A. cool
B. patient
C. selfish
D. unfair
答案
答案：B
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Mr Wu always spends a lot of time explaining things to us. He is so _______.[ ]
A. cool
B. patient
C. selfish
D. unfair
答案：B