There is no doubt we will host the 2010 World Expo successfully.A. whichB. whetherC. /D.

发布时间：2020-08-16 09:52:31


There is no doubt      we will host the 2010 World Expo successfully.
A. which
B. whether
C. /
D. that

网友回答

A. which
B. whether
C. /
(答案→)D. that
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