86. “Please turn down the radio for me,” said my father  My father asked ………………………………………………… 87. Nhung will be fifteen next week.  It is Nhung’s ………………………………………………… 88. How long it it since you used the car?  When ………………………………………………… 89. Keeping the environment clean is very important.  It’s ………………………………………………… 90. They will show the time machine to the public when they finish it.  The time machine ………………………………………………… 91. He has delighted to receive his aunt’s letter.  He was delighted that his ………………………………………………… 92. Old car tires are recycled to make shoes and sandals.  People ………………………………………………… 93.I’m very sad that I wasn’t accepted in that group.  I’m very sad not ………………………………………………… 94. This is the best computer I have ever used.  I have never ………………………………………………… 95. He hasn’t chatted with his classmates through the internet for ages.  It’s ages ………………………………………………… 96. Trung’s parents gave him a microcomputer on his birthday.  Trung ………………………………………………… 97. He has never played a computer game before  This is ………………………………………………… 98. We haven’t seen her since we left university.  The last time ………………………………………………… 99.People choose Khue Van Pavilion as the symbol of Ha Noi.. Khue Van Pavilion........................................................................................... 100. People have restored many old houses in Hoi An. Many old houses ............................................................................................