NEIL ARMSTRONG, _____ ON THE MOON, LIVED IN THE USA.A. THAT FIRST...
21. Neil Armstrong, _____ on the moon, lived in the USA.
A. that first walked
B. which first walked
C. who first walked
D. whom first walked
21. Neil Armstrong, _____ on the moon, lived in the USA.
A. that first walked
B. which first walked
C. who first walked
D. whom first walked