People ran out __________ as fire tore through the building.
— Could you please explain the assignment for Monday, Miss Smith?— Certainly. Read the next chapter and come to class ________ to discuss what you’ve read.
Home is ________ somebody notices when you are no longer there.
— Mom! Jack has broken a cup!— Doesn’t matter. Accidents ________ happen.
The scientist does not study nature ________ it is useful to do so. He studies it because he takes pleasure in it.
There is no doubt that _________ a goal, one needs not only knowledge but also good personalities.