T or F? The area was polluted fifteen years ago.
True
The area was gray in the past, but now it's ______________________
green.
There was lots of pollution in the past, but ______________________
now it's clean.
T or F? This area is in a city.
True
Why is it important to have parks in cities?
The area was ugly in the past, but ____________________________
now it's beautiful.
T or F? The buildings were modern fifteen years ago.
False
The area ____________________________, but now it's clean.
was dirty in the past
T or F? Children can play in the stream now.
True
The buildings were old in the past, but ____________________________
now they're modern.
T or F? The area is gray and ugly now.
False
Do you think this area in Seoul is better now? Why?
Listen to the student.