The incident _____ a chain of events which resulted in the outbreak of the World War I.

All the passengers were ______ of the flight which was put off because of heavy fog.

         Nowadays, there seems little room for traditional literature, but skills like writing or critical thinking actually ________ promise for opening doors to good entry-level jobs.

—Can I help you，Madame?—Oh，thanks，but I can ______ it myself.

Having ended the major combat (主战), President Bush_____ rebuilding Iraq.