I will help you ________ I don’t sleep for a night.

Although old, my car is kept _______ good condition and runs well.

Could I take this seat, Sir— Sorry, you. These seats here are all for the old people.

Do you know where David is ? I couldn’t find him anywhere. — Well. He ______ have gone far –his coat’s still here.

There is hardly an environment on earth ______ some species of animal or other have not adapted successfully.