Multiple choice

Directions: Fill in the blank with the most appropriate of 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. was set foot
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

This sentence describes a completed action in the past, so the simple past tense 'set foot' is correct. Option A uses a relative clause 'who set foot' which would need a different sentence structure. Option B uses the past continuous 'was setting foot' which suggests an ongoing action, not a completed event. Option D 'had to set foot' adds unnecessary obligation. Option E 'was set foot' is grammatically incorrect. Option C correctly uses the simple past to state the completed action.

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