Rewrite each of the following sentences in such a way that it means the same as the first one

X. Rewrite each of the following sentences in such a way that it means the same as the first one
86. That book belongs to Nam.
That is..................................................................................................................................
87. The building is old.
It’s .....………………….…………………………………………………………….……
88. It is four fifty .
It is ten ………………….………..…………………………………………………….….
89. Dung is Mrs. Ha’s son.
Mrs. Ha…………………………..…………………………………………………….…..
90. Let's go to the zoo this weekend.
Why ...................................................................................................................................?
91. What is the width of this river?
How.....................................................................................................................................
92. What’s your favorite drink?
What drink……………………………………………………………………..…………?
93. Nobody in my class is fatter than Ha.
Ha………………………………………………………………………………….…….
94. What is the price of a cake and an orange?
How....................................................................................................................................?
95. This school has over one hundred teachers and seven hundred students