Complete the sentences with must or mustn't
1.This sign says "No left turn ".We ............... ............... go straight ahead or turn right.
2.It's eleven o'clock . My parents aren't at home.I ........... cook lunch.
3.My hair is very dirty.I ............ wash it now.
4.Tome ................. help you with your homework .You .................... do it yourself .
5.You ................. drive fast,there is a speed limit here.
6.We .................. go to school on time.
7.You ................. talk to other students during the exam .
8.Faemers .................. get up early ,at four or five o'clock in the morning.
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