Even if spiders don't normally harm humans, most people still consider they a nuisance.
a. no change
b. their
c. them
d. these
2.
the tarantula, with one's long, hairy legs, is one of the most feared insects on earth.
f. no change
g. with their
h. with its
j. with his or her
3.
the nursing staff welcomed me, me for volunteering, and asked me to start folding baby blankets and placing it in the appropriate drawer.
a. no change
b. placing these
c. placing them
d. placing they
4.
has it occurred to you that it might be better if one had stayed at home because of your flu symptoms?
f. no change
g. if one has
h. if you had
j. if you have
5.
the students, who had been studying aeronautics, were thrilled to watch the space shuttle take off.
a. no change
b. whom had been studying aeronautics
c. they had been studying aeronautics
d. which had been studying aeronautics