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

Tom’s most positive quality is _____ he’s very outgoing.

A. that B. why

C. how D. whether

No one knows for certain how the first Americans arrived in _____ is now the United States.

A. which B. what

C. where D. why

Facebook is a place where you can share _________is going on in your life with friends.

A. how B. whether

C. who D. what

Home is ________ somebody notices when you are no longer there.

A. that B. when

C. how D. where

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

______ you are supposed to do ______ you don't like a thing is ______ it. Don't complain.

A. That; what; change B. When; that; to change

C. What; when;to change D. What; that; changing

______ is surprising to us is that Tom, for ______ English was once boring, can speak English fluently as though he were a native speaker.

A. What; whom B. What; whose

C. It; whose D. As; whom

______ you are supposed to do ______ you don't like a thing is ______ it. Don't complain.

A. That; what; change B. When; that; to change

C. What; when;to change D. What; that; changing

Little _______ that the region was rich in natural resources about four decades ago.

A. we did know B. knew we

C. did we know D. we knew