81-82. I think playing video games is really boring.
Rewrite: I find playing video games really boring.
83-84. It takes the boy 2 hours a day to finish his homework.
Rewrite: The boy spends 2 hours a day finishing his homework.
85-86. My family had a house in Da Lat, but we have sold it.
Rewrite: My family used to have a house in Da Lat, but we have sold it.
87-88. Could you tell me how to get to Hanoi station?
Rewrite: Could you show me the way to Hanoi station?
89-90. The package was so high that I couldn't touch it because I was short.
Rewrite: I wasn't tall enough to touch the package because it was so high.