82. to having a cool, refreshing soon.
83. parents work late are taken home by bus.
84. father was met by you yesterday lives next door.
85. car was borrowed by you last week is in the room.
86. father has taught at the university is a good student.
87. good services is famous.
88. air is polluted.
89. who came to visit HCM city last week is Lan's penpal.
90. has many beautiful scenery is the city of flowers.
91. to Lan for losing her book.