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.
