Complete the unfinished sentence in such a way that it means the same as the sentence printed before it.
81. He couldn’t enjoy the meal because of the stomachache.
The stomachache prevented........................................................................
82. You shouldn’t eat too much meat.
You’d .............................................................................................................
83. How old is your grandpa?
What is ................................................. ....................................................?
84. Lan’s parents gave her a bike for her birthday.
Lan received ..............................................................................................
85. When my mother was ill, I looked after her.
I took......................................................................................