No one knows for certain how the first Americans arrived in _____ is now the United States.
A. which B. what
C. where D. why
Tom’s most positive quality is _____ he’s very outgoing.
A. that B. why
C. how D. whether
____ counts is ____ all those trapped in the building have been rescued.
A. It; that B. What; because
C. What; that D. Which; because
-- What a mess! You are always so lazy!
-- I’m not to blame, mum. I am ______ you have made me.
A. how B. what
C. that D. who
She is very dear to us. We have been prepared to do it takes to save her life.
A. whichever B. however
C. whatever D. whoever
The how to book can be of help to wants to do the job.
A. who B. whomever
C. no matter who D. whoever
