Neil Armstrong is an American astronaut. He is known as the first person to walk on the moon. He was born …..(21) …. August 5th, 1930 in Ohio. From 1949 to 1952, he…(22)… as a pilot in the United States Navy. He ….(23) …. his B.S from Purdue university in 1955 and joined the NASA astronaut programs . On July 20th, 1969, Neil Armstrong ……(24)…. the first man to step on the moon’s surface. He was appointed vice chairman of the committee that investigated the shuttle Challenger disaster. Armstrong ….(25) … also well-known for what he said when he stepped on the moon’s surface: “ That’s one small step for man, one …….(26)…. leap for mankind.”
21.A. on
B. in C. of D. at
22.
A. did
B. worked
C. had
D. lived
23.A. receive B. to receive C. received D. receiving
24. A. become
B. becoming C. to become
D. became
25. A. is
B. are
C. was D. were
26. A. new
B. giant C. great
D. small
21.A. on
B. in C. of D. at
22.
A. did
B. worked
C. had
D. lived
23.A. receive B. to receive C. received D. receiving
24. A. become
B. becoming C. to become
D. became
25. A. is
B. are
C. was D. were
26. A. new
B. giant C. great
D. small