63Those book should be returned to the library tomorrow by you( câu bị động)

64If you study hard, you will pass the exam 

65i’m tired so I won’t go to schoo

66 I have not seen her for 5 months 

67 if you follow the doctor’s advice, you will soon recover from illness

68 rice is grew in tropical countries 

69 minh hasn’t corresponded with paul for two months 

70 my bags was left in the library yesterday by me

71 if we don’t keep the water unpolluted, we will have no fresh water to drink 

72 how about collecting waste paper for recycling 

73 because na was very tired, she went to bed early 

74 k nhin thay tu de viet lai nhung co the viet nhu nay

although the sky was cloudy, we still took many pictures