You should report any incident, _______ minor it is.
You ______ be driven out of the school if you dare to cheat in the exam.
On hearing a great noise, Mike looked forward through the window _____ what happened outside the room.
We hadn't met for 20 years, but I recognized her_____ I saw her.
There were many more people who got injured in the big fire than _______.
This robot is supposed to save a lot of labor, but it remains a problem if it ______.