问题
选择题
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
答案
答案：B
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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
答案：B