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72. All the students in my class cleaned the floor more slowly than a robot. $$ A robot cleaned the floor more quickly than all the students in my class. 73. The Chăm spend up to 15 days making a special piece of cloth. $$ It takes the Chăm up to 15 days to make a special piece of cloth. 74. An alien appeared during the time people were searching the spacecraft. $$ When people were searching the spacecraft, an alien appeared. 75. "I am too tired of taking many extra classes after school," confessed Bill. $$ Bill said that he was too tired of taking many extra classes after school. 76. Nancy was reading in her garden. She saw a UFO. $$ When Nancy was reading in her garden, she saw a UFO. 77. What is the price of your new bike? $$ How much does your new bike cost? 78. Peter does not study as well as Jack. $$ Jack studies better than Peter. 79. Mai said "I can play the drums." $$ Mai said that she could play the drums. 80. I was tired, so I went to bed early last night. → I went to bed early last night because I was tired. 81. Mai can't dance as beautifully as Lan. → Lan can dance more beautifully than Mai. 82. While I was cooking with my Mum, I heard a loud noise outside. → I heard a loud noise outside while I was cooking with my Mum. 83. "Your voice is very sweet, Mary," John said. → John told Mary that her voice was very sweet. 84. The BI robot can't cook as well as my mom. → My mom cooks better than the BI robot. 85. My sister is a famous musician. → He told me that his sister is a famous musician. 86. Jenny said, "I love my 2 dogs so much that I can't live without them". → Jenny said that she loved her 2 dogs so much that she couldn't live without them. 87. A normal storm moves more slowly than a typhoon (SPEED). → A typhoon moves faster than a normal storm 88.How many smart devices are there at her home? (HAVE) → How many smart devices does she have at home? 89.It will be impossible for people to live on Mars because there is no air People will find it impossible to live on Mars because there is no air