（1）What happened yesterday？
A.A flu.
B.A fire.
C.A car accident.
（2）What did Grace do？
A.She tried to save Mrs.Lee out of fire.
B.She sent Mrs.Lee to the hospital.
C.She called the police and put out the fire.
（3）How long did Grace have to stay in hospital？
A.For three days.
B.For a week.
C.For two weeks.