______ the warning message, more visitors might have been trapped in the flood. 

Clive Palmer，the designer of Titanic II，________to answer questions about the project's cost.

While she was in Paris, she developed a _____ for fine art.

 There were lots of people standing watching, yet no one of them ________. 

--Late again !--Sorry. I was ________ halfway for half an hour on my way to work this morning.