1) If you’re thirsty, you ............. have a drink. a) you need to b) don’t need to 2) You .......... near that dog – it’s dangerous! a) mustn’t go b) must go 3) 2 You ............. do your homework if you want to do well a) don’t need to b) need to 4) You .............. clean your teeth after every meal if you want strong teeth. a) must b) mustn’t 5) You ...............bring any money – I’ll pay for everything! a) don’t need to b) mustn’t

Choose need to/don’t need to or must/mustn’t.

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