We expected Carl ______ his dream.

A. realize   B. to realize  C. realizing  D. realized

There is nothing in the world ________ can make him give up his dream.

 Only then ________ that he had lost a good chance of achieving his dream.

A. he realized  B. realized he  C. did he realize  D. will he realize

There is nothing in the world ________ can make him give up his dream.

A．what             B．that              C．which            D．who