IV. Fill in the gap with should/ shouldn’t/ must/ mustn’t :
1.I don’t think you ………………………eat so much chocolate. It’s bad for your health.
2.I think waiters………………………………try to be pleasant with customers.
3.If you feel sick, you ……………………………… stay at home. It’s better for you.
4.I ……………………………… get my hair cut. I don’t like long hair.
5.We ………………………… go home. My mother has told me to arrive at ten o’clock.
6.I ……………………………… study hard. I want to pass the exam.
7.You ……………………………… accept things from strangers!
8.You ……………………………… steal things from shops.
9.Children ……………………………… eat junk food every day.
10. There is a ''No turn left'' sign. You ………………………..turn left