Multiple choice

Directions: Fill in the blank with the most appropriate word/phrase from the given options.

When Neil Armstrong __________ on the Moon in 1969, he became the first human being to do so.

  1. who set foot

  2. was setting foot

  3. set foot

  4. had to set foot

  5. had set foot

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

'Set foot' is the correct usage in the context of specific time.