中国大学MOOC: On July 20th, 1969, two American __________ planted the first human footsteps on the moon.
举一反三
- On July 20th, 1969, two American __________ planted the first human footsteps on the moon. A: visitors B: pilots C: scientists D: astronauts
- Two human beings landed on the moon in _________ led by the Apollo program A: 1968 B: 1969 C: 1970 D: 1972
- Was it in 1969 ____, the American astronaut succeeded in landing on the moon?
- Was it in 1969 _____ the American astronaut succeeded _____ landing on the moon ?
- It was 1969 _____ two Americans got to the moon by spaceship.