driving used to occur _______, butnow it is under control

The happiest of people don’t necessarily have the best of everything; they just make the most of everything _____ comes along their way.

Work hard at your lessons, ______ you’ll fail the exams again

My mother went to the private school in person ________ that I would be safe there

How do you find the new book by J．K.Rowling—________.I guess she is out of her talent.