• Home
  • Darrel's knowledge __ behaving with aggressive customers helped him turn the situation into a positive direction.
Question 1:
Darrel's knowledge __ behaving with aggressive customers helped him turn the situation into a positive direction.
A. of
B. in
C. at
D. for

These questions are from this test. Would you like to take a practice test?

Test 1-Nouns and Prepositions | English Idioms and Phrases