问题
选择题
No sooner ____ down ____ we found it was time to go.
A．did we sit; than
B．had we sat; than
C．did we sit; when
D．had we sitten; when
答案
答案：B
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No sooner ____ down ____ we found it was time to go.
A．did we sit; than
B．had we sat; than
C．did we sit; when
D．had we sitten; when
答案：B