Neil Armstrong is the first man ………… foot on the moon.
Knowledge: Reducing relative clauses
Reduce relative clauses to the form:
– V-ing: when the clause in the active form
– Ved/ P2: when the clause is in the passive form
– to V: when before a noun with ordinal numbers, the superlative, “the only”,…
Full sentence: Neil Armstrong is the first man that/ who set foot on the moon.
Short sentence: Neil Armstrong is the first man big set foot on the moon.
Neil Armstrong was the first man to set foot on the moon.
The answer to choose is: