It was several years I had an opportunity of seeing the bird again .A. for; beforeB. not

发布时间：2020-08-16 12:31:39


It was      several years      I had an opportunity of seeing the bird again .
A. for; before
B. not for ; that
C. for ; when
D. not for ; then

网友回答

A. for; before
(答案→)B. not for ; that
C. for ; when
D. not for ; then
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