I wonder how many years ago ___________.
#69164
A
did your father retire
B
has your father retired
C
your father retired
D
your father has retired
推荐题目
Some researchers believe that there is no doubt ____ a cure for AIDS will be found.
#68469
A
which
B
what
C
that
D
whether
Evidence has been found through years of study______ children’s early sleeping problem likely to continue when they grow up.
#67661
A
why
B
how
C
whether
D
that
I really don’t like the way _____________ she speaks to her parents.
#69760
A
that
B
when
C
which
D
what
This is the least wonderful TV play ___.
#71695
A
what I have ever seen
B
I have ever seen
C
I have ever seen it
D
that I have ever seen it