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Thư Phạm

II. Fill in the blanks with mustn't or don't/ doesn't have to.

37. They ______ work on Saturday. 
38. Visitors ______ feed the animal.  

39. Tim ______ wear uniform at school.  

40. You ______ touch that switch. It's very dangerous. 
41. Don't make so much noise. We ______ wake the Baby.  

42. There's a lift in the building, so I ______ climb the stairs.  

43. Staff ______ smoke when serving customers.  

44. Sally is extremely rich. She ______ work.  

45. I don't want anyone to know about our plan. You ______ tell anyone.  

46. You ______ be a good player to enjoy a game of tennis.  

Đỗ Thanh Hải
7 tháng 9 2021 lúc 19:19

37. They ____don't have to__ work on Saturday. 
38. Visitors ___mustn't ___ feed the animal.  

39. Tim ___doesn't have to___ wear uniform at school.  

40. You ___mustn't___ touch that switch. It's very dangerous. 
41. Don't make so much noise. We ____mustn't__ wake the Baby.  

42. There's a lift in the building, so I ____don't have to__ climb the stairs.  

43. Staff ____mustn't__ smoke when serving customers.  

44. Sally is extremely rich. She ____doesn't have to__ work.  

45. I don't want anyone to know about our plan. You ___mustn't___ tell anyone.  

46. You _don't have to_____ be a good player to enjoy a game of tennis.  


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