Only after Mary read her composition the second time ____ the spelling mistake.
#79633
A
did she notice
B
she noticed
C
does she notice
D
she has noticed
推荐题目
Next to the pots ______, upon which the man could work metal.
#82098
A
lay a cushion stone
B
did a cushion stone lay
C
laid a cushion stone
D
did a cushion stone lie
Only ______ do the job and only in this way _____ do the job well.
#84483
A
can you; can you
B
you can; can you
C
you can; you can
D
can you; you can
Only after the woman had her own child ______how difficult it was to be a mother.
#81791
A
she realized
B
had she realized
C
she had realized
D
did she realize
It was only when I reread his poems (诗) recently _____ I began to appreciate their beauty.
#81859
A
until
B
that
C
then
D
so
There are some health problems that, when _____ in time, can become bigger ones later on.
#80462
A
not treated
B
not being treated
C
not to be treated
D
not having been treated