Some of the sentences are incorrect. rewrite them correctly if necessary . 1 i didn't hear this band before. who are they? 2 callum's still off school. he was ill for over a week. 3 have you finished your homework last night? 4 hannah got a new laptop for her last birthday. 5 i've sprained my wrist so i can't do my exams. 6 did you take your driving test yet? 7 leon has broken his leg while he was playing rugby. 8 we're hungry! we didn't eat since breakfast!