잘 듣고 빈칸에 맞는 단어를 쓰세요.
W: Welcome to Today’s Living Tips. Many of us
____ of our time indoors, so
____ the air inside
____ is very important for our health. Here are some
____ ____ the air quality better. First,
____ your windows often
____ in some air, even during the winter. This is the easiest and best way
____ ____. Second,
____ some houseplants, like
____ plants or flowers,
____ the air naturally. There are even some
____ that
____ the air more effectively. Lastly,
____ your home often, especially
____ with
____,
____ dust and other things that
____ allergies. These
____ ____ your home with
____ air.