That proposal is completely unthinkable.

As a practical question, how are we going to fund this project?

This exam is a matter of life or death for me.

He is viewing that situation as a serious problem.

He views that situation as a problem.

A new approach is needed to solve this set of problems.

This question text is too difficult, it's hard to understand.

I got zero on the test.

Please turn on the light in the room.

What does this code mean?