A dog ran out ___ behind tha gate.
--- How are you _______ with your study at present?--- very well.
We should not _______ small mistakes, or they might lead to big accidents.
—Her father is very rich.—_______ She wouldn’t accept his help even if it were offered.
Life is like a long race _____ we compete with others to go beyond ourselves.
If you _____ smoke, please go outside.