I don't know the answer. How many times _____ to tell you?
I have
do I have
I do have
I don't know _____ so unhappy.
whether is he always
why he's always
why is he always
Do you have any idea when _____?
will the results be published
the results will be published
will be the results published
How many people _____ to your party?
you invited
did you invite
invited you
I wonder _______.
how long this cold weather will last
how this cold weather will last
how long will this cold weather last
Did she tell you how often _____?
do you take the vitamins
should you take the vitamins
you should take the vitamins
I'd like to know _____ for the experiment.
whether can I use the new product
whether I can use the new product
if can I use the new product
Could you tell me why _____?
are you leaving
do you leave
you are leaving
Can I ask you how long _____ here?
have you been living
have you lived
you have been living
Why _____?
I wouldn't call her
I shouldn't call her
shouldn't I call her
Tom has gone somewhere, but I don't know where _____.
has he gone
is he gone
he's gone
This book belongs to somebody. Who _____?
does it belong to
belongs to
does it belong
Someone lives in that house. Who _____ there?
does live
live
lives
This word means something. What _____?
does it mean
it means
means
They were talking about something. _____?
What they were talking about
About what were they talking
What were they talking about
Someone fell down the hill. Who _____ down the hill?
did fall
didn't fall
fell
