All but one take part in the conference ＿＿ tomorrow.
A. is going to that is to take place
B. are going to that is about to take place
C. are going to that is to be taken place
D. are going to； which is to be held
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A. is going to that is to take place
B. are going to that is about to take place
C. are going to that is to be taken place
(答案→)D. are going to； which is to be held
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