问题

Do you know __________ they got to know each other? — It was last year ________ they both taught English in China.
A:when was it that; when
B:when it was that; that
C:when it was that; when
D:when was it that; that
B:when it was that; that
C:when it was that; when
D:when was it that; that
正确答案是:
同类题型
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