At present there is a fierce debate over the question human cloning should be allowed.A. t

发布时间：2020-08-16 08:55:12


At present there is a fierce debate over the question     human cloning should be allowed.
A. that
B. whether
C. what
D. if

网友回答

A. that
(答案→)B. whether
C. what
D. if
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