NEIL ARMSTRONG, AN AMERICAN ______, WAS THE FIRST MAN TO STEP ON T...

42. - ON TAP HK II TRAC NGHIEM LOP 11
ON TAP HK II TRAC NGHIEM LOP 11

42.

Neil Armstrong, an American ______, was the first man to step on the moon's surface.

A. scientist

B. cosmonaut

C. astrononaut

D. astronomer