1) Children in Britain go to school from Monday to Friday, but they (go) on Saturdays. a) don't need to go b) don't have to go c) must'nt go 2) These tablets are very strong. You (take) more than eight a day. a) mustn't take b) don't need to c) don't have to 3) I wish I'd known the train was going to be late. I (hurry) a) I mustn't have hurried b) I didn' t have to hurry c) I needn't have hurried 4) You (tire) yourself out. You've got a busca day tomorrow. a) mustn't tire b) needn't tire c) don't have to tire 5) I had just turnês on the computer when she phoned, which meant that I (send) her an e-mail. a) didn't need to send b) didn't have to send c) neeedn't have sent

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