When the news came __________ the war broke out, he decided to serve in the army.
– Will you waste your time and money on that? -- Certainly _______.
Although ______ to stop, he kept on working.
– I won’t do it any more. --_______?
-- My cat’s really fat. --- You ______ have given her so much food.
If you had told me in advance, I ___ him at the airport.