问题
选择题
At present scientists can clone _______ plants ________ animals. [ ]
A. neither…nor
B. not only…but also
C. either…or
D. as well as
答案
答案：B
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At present scientists can clone _______ plants ________ animals. [ ]
A. neither…nor
B. not only…but also
C. either…or
D. as well as
答案：B