In 1969, Neil Armstrong, an American ast
问题:
In 1969, Neil Armstrong, an American astronaut, _____ the moon for the first time, which announced
man began to march at the universe.
[ ]
A. walked
B. climbed
C. set foot in
D. set foot on
In 1969, Neil Armstrong, an American astronaut, _____ the moon for the first time, which announced
man began to march at the universe.
[ ]
A. walked
B. climbed
C. set foot in
D. set foot on