Mistakes don’t just happen; they occur for a reason. Find out the reason, and then making the mistake becomes ______.
---Why did the teacher get angry? --- __________ what we had done the day before.
Did you ask whose computer ______________ ?
If you ____ your money ____ mine, we will have enough to buy one more set of stamps to ____our collection.
It was only with the help of the local guide ______.
---Is this book interesting? ---Yes, but I’m sure it won’t interest __________.