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问题: 三、选择

33、Could you tell me _____ every day?
A.how they serve their customers
B.how do they serve their customers
C.do they serve their customers
D.when do they serve their customers

解答:

选A
横线上应填一个陈述句语序的句子,做为从句。
B,C,D三项的语序都不合适。