72. "Do you enjoy reading books?" Phong asked Peter.
→ Phong asked Peter ....if he enjoyed reading books .......
73. "How many members are there in your family?" She asked Lan.
→ She asked Lan .......how many members there were in her family.....
74. " Why do you collect waste paper?" she asked her younger brother.
→ She asked ....her younger brother why he collected waste paper .....
75. " You'd better not lend them any more money, Tom." Said John.
→ John advised Tom......not to lend them any more money......
76. He said " I must go next week."
→ He said .......he had to go the next week .........
78. She said " I will answer the phone."
→ She said ....that she would answer the phone.....
79. Nam said " I am told to be at school before 7 o'clock."
→ Nam said ........that he was told to be at school before 7 o'clock......
80. Peter said "My parents are very proud of my good marks."
→ Peter said ....that his parents were very proud of his good marks .....
81. Lan said "I may visit my parents in summer."
→ Lan said .......that she might visit her parents in summer...
82. " Where does your father work?" the teacher asked me.
→ The teacher asked .......me where my father worked .........
83." How do you go to the airport?"
→ His friend asked Nam how he went to the airport.
84. Tom asked Nam " How long will you stay in England?"
→Tom asked Nam how long he would stay in England
85. The boys said " We have to try our best to win the match"
→ The boys said that ........they had to try their best to win the match......
86. "Can you wait for me here, Jerry?"
→Tom asked asked ...Jerrry if she could wait for him .....
87. "Please shut the window, Mai."
→The man asked ...Mai to shut the window .....
90. My mother said " I must help them at once"
→.......My mother said that she had to help them at once.........
72. "Do you enjoy reading books?" Phong asked Peter.
→ Phong asked Peter ....if he enjoyed reading books .......
73. "How many members are there in your family?" She asked Lan.
→ She asked Lan .......how many members there were in her family.....
74. " Why do you collect waste paper?" she asked her younger brother.
→ She asked ....her younger brother why he collected waste paper .....
75. " You'd better not lend them any more money, Tom." Said John.
→ John advised Tom......not to lend them any more money......
76. He said " I must go next week."
→ He said .......he had to go the following week .........
78. She said " I will answer the phone."
→ She said ....she would answer the phone.....
79. Nam said " I am told to be at school before 7 o'clock."
→ Nam said ........he was told to be at school before 7 o'clock......
80. Peter said "My parents are very proud of my good marks."
→ Peter said ....his parents were very proud of his good marks .....
81. Lan said "I may visit my parents in summer."
→ Lan said .......she might visit her parents in summer...
82. " Where does your father work?" the teacher asked me.
→ The teacher asked .......me where my father worked .........
83." How do you go to the airport?"
→ His friend asked Nam .........how he went to the airport.........
84. Tom asked Nam " How long will you stay in England?"
→Tom asked Nam .......how long he would stay in England.........
85. The boys said " We have to try our best to win the match"
→ The boys said that ....they had to try their best to win the match.....
86. "Can you wait for me here, Jerry?"
→Tom asked asked ...Jerrry if she could wait for him there.....
87. "Please shut the window, Mai."
→The man asked ...Mai to shut the window .....
90. My mother said " I must help them at once"
→.......My mother said she had to help them at once.........
72. "Do you enjoy reading books?" Phong asked Peter.
→ Phong asked Peter if Peter enjoyed reading books
or
→ Phong asked Peter whether Peter enjoyed reading books
73. "How many members are there in your family?" She asked Lan.
→ She asked Lan how many members there were in Lan's family
74. " Why do you collect waste paper?" she asked her younger brother.
→ She asked her younger brother why he collected waste paper
75. " You'd better not lend them any more money, Tom." Said John.
→ John advised Tom not to lend them anymore money
76. He said " I must go next week."
→ He said (that) he must go the following week
78. She said " I will answer the phone."
→ She said (that) she would answer the phone
79. Nam said " I am told to be at school before 7 o'clock."
→ Nam said (that) he was told to be at school before 7 o'clock
80. Peter said "My parents are very proud of my good marks."
→ Peter said (that) his parents were very proud of his good marks
81. Lan said "I may visit my parents in summer."
→ Lan said (that) she might visit her parents in summer
82. " Where does your father work?" the teacher asked me.
→ The teacher asked me where my father worked
83." How do you go to the airport?" His friend asked Nam
→ His friend asked Nam how Nam went to the airport
84. Tom asked Nam " How long will you stay in England?"
→Tom asked Nam how long Nam would stay in England
85. The boys said " We have to try our best to win the match"
→ The boys said that they had to try their best to win the match
86. "Can you wait for me here, Jerry?"
→Tom asked Jerry to wait for him there
87. "Please shut the window, Mai."
→The man asked Mai to shut the window
90. My mother said " I must help them at once"
→ My mother said (that) she must help them at once