Question 37: ……….. the airport, I was very worried to find that no one ………. for me.
Knowledge: Structure with “arrive”, tense in English
For small locations (as in the article is the airport) we use “arrive at”
The second clause uses the past perfect to describe an action that happened before another action in the past. Past perfect tense structure: S + had + PP +…
When I arrived at the airport, I was very worried to see that no one was waiting for me.