You’d better not bring your small son along, for this party is _____for only adults.
Do you mind if I ____with my work while you are getting tea ready?
The gentleman does not ____the argument but watches the other guests.
If people keep polluting the rivers, no fish there will survive ___.
____ the weather, the athletic meetings will be held on time.
The ground is slippery. Hold onto the rope and don’t ____.