1, he was seriously sick; however, he still went to school yesterday ----> Despite his......... 2, we can't answer those difficult questions -----> If those ..................... 3, he speaks more persuasively than his brother -------> he is a .................. 4, they say football is the best game to play -------> football.............. 5, it's a pity that Mike isn't here -----------> I wish........... 6, we cannot live without water ------> If there............. 7, they had had marks because they were lazy -----> they were so .............. 8, the house is very big ; have you seen it yet ? -----> Have you seen ................?