• Home
  • What did Benjamin Green invent in 1944?
Question 1:
What did Benjamin Green invent in 1944?
A. Kevlar
B. The garage door opener.
C. Coppertone
D. TiVo

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

Trivial Practice Quiz general - Test 103 | Englishfreetest.com