John had made up his mind to give it up, but on _________ second thought he determined to have __________ third try.
--Why does the lake smell terrible? -- Because a large amount of water_______.
As time went by, I eventually found Mary and I had ________.
He forgot to lock the door, _______of course, made things even worse.
_______, I don’t like him at all, but it’s strange that he should be so popular among the kids.
We should take some measures to______ wild animals______.