|1. I'm certain that he's telling the truth.|
There's ________ that he's telling the truth.
2. They are busy with their test and have no time to have a rest.
They ________ in their test and have no time to have a rest.
3. The house which is being built is our classroom.
The house ________ is our classroom.
4. All of us must make decisions wisely about what is to be done every day.
All of us must make ________ decisions about what ________ every day.
5. I would rather be punished than tell a lie.
I ________ punished rather than tell a lie.