5.聽第10段材料,回答第17至第 20題.
17.Why wasn't Mary happy?
A.Because she was so tired.
B.Because she had quarrelled with Mr Thomason.
C.Because she didn't know how to talk to the milkman.
18.Why was Mr Thomason angry?
A.Because Mary made some mistakes.
B.Because Mary didn't finish her homework.
C.Because Mary was always careless with her work.
19.Why did Mary wake up early?
A.Because the milkman coughed loudly.
B.Because she was worried about her work.
C.Because the radio next door was too loud.
20.What was Bill's suggestion?
A.Mary should talk to the milkman's wife.
B.Mary should write a letter to the milkman.
C.Mary should write to apologize to her boss.