18．11．How many living units are there in the large building？A
A．Four
B．Five
C．Three
12．The main idea of the passage is about the kind ofC．
A．living unit they love
B．book they love
C．music they like better
13．Where is the dancing boy？B
A．Inside his unit．
B．Beside his unit．
C．Under his unit．
14．Who might have been reading and listening to music？B
A．The boy on the first floor．
B．The girl on the first floor．
C．The boy on the second floor．
15．Why is the TV in the living unit of the boy on the second floor turned on？Because he might have
beenC．
A．watching a football game on TV
B．plying the piano with the help of the TV
C．singing along with the help of the TV．
