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: