Bài 1 : 

69 . Are there twenty classrooms in your school?

70 .  Lan is Phong's sister

71 . My mother often goes to work by car

72 . How wide of this road ?

73 . The Red River is short than the Mekong River

74. How many oranges would you like?

Bài 2 :

75. What's the weather like in the fall ?

76. When it is cold , we play soccer

77. What does she do when it's cold ?

78 . How often do you do morning exercise?

79. My sister doesn't want this new bike

80.  We often have dinner at 6:00 pm.

xin ctlhn ạ!!!

1) 69 . Are there twenty classrooms in your school?

70 .  Lan is Phong's sister

71 . My mother often goes to work by car

72 . How wide of this road ?

73 . The Red River is short than the Mekong River

74. How many oranges would you like?

2) 75. What's the weather like in the fall ?

76. When it is cold , we play soccer

77. What does she do when it's cold ?

78 . How often do you do morning exercise?

79. My sister doesn't want this new bike

80.  We often have dinner at 6:00 pm.