Answer the questions. Choose the
letter of the correct answer.
CHOICES:
A. by narrating some events
B. the manner by which one
repeatedly does a task
C. cause the incidence of allergies
D. Sources of Dust in Our Home
E. respiratory problems
1. What is the greatest risk that
one faces in having a dusty house?
A dusty house might
2. Knowing the composition of
dust will especially help persons with
3. In this selection, the word
"habits" refers to
4. How did the writer develop
this selection about dust?
5. Which is an appropriate title
of this selection?​