My mom once worked in a very small village school, which is       only on foot.

Facing this ________ problem, I found myself ________ about how to work it out.

The girl looked at me with a ______expression. Maybe the problem was quite _____.

 ---- Don’t you think that was a ________ moment? ----- Yes, we were almost ______ to death by the earthquake. 

Of course, all students want to increase their knowledge, but I believe that most students today want that knowledge to be _______ to their future career.