A. 15
B. 30
C. 45
D. 60

A. 18 cm
B. 24 cm
C. 36 cm
D. 48 cm

A. 0.3
B. 0.03
C. 0.003
D. 3

A. 48 square inches
B. 24 square inches
C. 72 square inches
D. 144 square inches

A. enemies
B. foes
C. opponents
D. adversaries

A. nervous
B. anxious
C. worried
D. agitated

A. sharp
B. sharped
C. sharpen
D. sharpening

A. in
B. at
C. to
D. on

A. with
B. in
C. by
D. on

A. through
B. off
C. under
D. from