When in trouble，remember to stay calm，and everything will well

Who ______the computer I want to useit.—-Timmy. He ______ it for a week.

Experts predictthat the earthquake and tsunami will _________ among the costliest naturaldisasters on record.

The real secret to successful learning lies instudents＿＿＿＿an interest in what they are doing.

Simon is _ a bad mood and doesn’t want to talk to ．