I. 82. After many experiments, finally the first successful flight was made by the Wright brothers.
83. My grandfather used to tell us stories until we fell asleep.
84 I used to collect shells when I was a kid.
85 My uncle moved to Ho Chi Minh City in 1987 and he has lived there since then.
II. 86. Tom is a hard - working student
87. Running a mile a day is good exercise
88. Being with you is a great pleasure.
89. She wasn’t seen at all
90. Peter is taller than Tom
91. Her father asked her : “Will you go to the cinema with your friend?”
92. The little girl isn’t treated in a normal way by the step- mother
93. Do you mind if I smoke?
94. Barbara works hardest
95. He told his customer to bring it back if it didn’t fit well
96. We haven’t seen him since 1988.
97. It took Peter 3 hours to repair his computer.
98. Unless you finish your homework, you will not be accepted.
99. I warned the boys not to swim out too far.
100. Because of the terrible traffic, they arrived late.