84. Because Lan was sick, she didn't go to school yesterday.
85. You don't have to talk so loudly.
86. Miss Lan runs fastly.
87. The visitor spoke too quick for me to understand what he said.
88. Trung was absent from school last Saturday.
89. No house is older than my house on the street.
90. My mother spends half an hour cooking lunch.

1. How much do those shoes cost ?
2. Why don't we go to the cinema tonight ?
3. Are you going to visit Ho Chi Minh city next week ?
4. The children prefer watching TV to reading.
5. You had not to eat too much candy.
6. The visitor spoke too quick for me to understand what he said.
7. The heavy rain prevented us from enjoying the trip.