问题
选择题
Not until I came home last night ________ to bed .
A．Mum did go
B．did Mum go
C．went Mum
D．Mum went
答案
B
Not until 位于句首时，主句中要将助动词did 等置于主语之前，构成倒装句。
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Not until I came home last night ________ to bed .
A．Mum did go
B．did Mum go
C．went Mum
D．Mum went
B
Not until 位于句首时，主句中要将助动词did 等置于主语之前，构成倒装句。