Some experts are warning that the step the US government has taken to deal with the current crisis between China and Japan is ______ of much risk.

- Do you have______ready for the opening ceremony. Ted? - No. we still need some volunteers.

—Who called me this morning when I was out?—A man calling ______ Robert. 

 What I want to tell you is___：The meeting is put off until Friday.

—Did your parents go to the movie yesterday evening?— No, We ______ stayed at home watching TV.