.It is often said that an American starts speech with a joke, __ a Japanese has

题干

.It is often said that an American starts speech with a joke, __ a Japanese has an apology to make.

A．as

B．when

C．which

D．while

上一题下一题 0.85难度单项选择更新时间:2010-06-29 01:20:18

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