15.One day a dentist was starting his morning work.Suddenly a man ran in.His face was red and he could only say"Quick!Quick!"The dentist thought he must be very ill.His assistant(助手) helped to make the poor man sit in a chair.The dentist gave the man some medicine to make him sleep.Then,he looked into the man's mouth and pulled out all the bad teeth.As soon as the man woke up,he said in a low voice,"Quick,doctor,quick."
"It's all right now,"the dentist told him"It's over."
"You don't understand,"said the man,"I came to tell you your house is on fire."
51.The story took place(發(fā)生)A.
A.in the morning
B.in the afternoon
C.in the evening
D.a(chǎn)t night
52.When the man ran in,the dentist thought he must beB.
A.over
B.ill
C.a(chǎn)ll right
D.rich
53.The manDafter took some medicine.
A.began to work
B.began to cry
C.went home
D.went to sleep
54.The dentist pulledCout of the man's mouth..
A.a(chǎn) tooth
B.a(chǎn) bad tooth
C.a(chǎn)ll the bad teeth
D.a(chǎn)ll the teeth
55.The man ran inD.
A.because he wanted to sleep
B.to tell the dentist he was all right
C.because he was ill
D.to tell the dentist that his house was on fire.