At long last the child was found on top of ______ we call the museum of science and technology.
A. which B. that
C. what D. where
Home is ________ somebody notices when you are no longer there.
A. that B. when
C. how D. where
Facebook is a place where you can share _________is going on in your life with friends.
A. how B. whether
C. who D. what
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
Liu Xiang’s breaking the world record was an exciting moment, ______ all of us will never forget.
A. that B. One
C. it D. what
