國中英語基測出現過 didn't 的考題。
that
last
piece
of
pie
?
If
not
,
can
I
have
it
?
I
didn't
eat
much
this
morning.
(A)
Do
you
eat
(B)
Were
you
eating
(C)
Are
you
going
to
eat
(D)
Had
you
eaten