问题
选择题
40．I don’t remember how many years ago_________people began to grow pine apples here.
A．it was when
B．it was that
C．was it when
D．was it that
答案
B
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40．I don’t remember how many years ago_________people began to grow pine apples here.
A．it was when
B．it was that
C．was it when
D．was it that
B