Укажите ошибку в предложении: 1) when tom got out of the river , he was exhausted as he'd been swimming two miles. 2)if you need a suitcase , i've got a lovely, old leather one that you could lend. 3)clothes aren't cheap here; in fact these jeans are so expensive as you bought back home. 4)the boys behaved bad on an excursion so the school refused to let them go on any more.