It is uncertain ___ side effects these weight-loss drugs will bring about, although hundreds of thousands of patients have taken it.
Tom’s mother always told him not to smoke again, but _____ didn’t help.
Meeting my uncle after all these years was an unforgettable moment, _____ I will always treasure.
She wants a Mexican carpet, but she can’t afford to buy ______.
Why don’t we take a little break?” “Didn’t we just have _____?”
He is a hard-working student, _____ who will be successful in whatever career he chooses.