91, He is a slower and more careful driver than Lan. He drives ……………………………………………………………………………. 92, The visitor spoke too quickly that I couldn’t understand what he said. The visitor spoke too ……………………………………………………………….. 93. Lan is more intelligent than her sister. -> Lan’s sister isn’t .............................................................................................................. 94. He looks after the sick people. -> He takes ........................................................................................................................... 95. Do you enjoy listening to music? -> Are you interested ..........................................................................................................? 96. What is your mother’s job? -> What does .......................................................................................................................? 97. We have a two - month summer vacation. -> Our summer vacation lasts .............................................................................................. 98. Remember to write a letter to me. -> Don’t …………………………………………………………………………………… 99. Vietnamese students have fewer vacations than American ones. -> American students ........................................................................................................... 100. It takes me about two hours each day to do my homework. -> I spend .............................................................................................................................. 101. Hoa is a hard student. -> Hoa studies .......................................................................................................................