past perfect/past simple

When I .... he had already left.

• arrived

• had arrived

• has arrived

• arrive

I remembered .... my money at home.

• left

• had left

• leave

• has left

He gave me something I ..... before.

• hadn't read

• haven't read

• read

..... John before the party?

• Had you met

• Have you met

• Has you met

• Did you met

I returned because I .... the door.

• haven't locked

• didn't locked

• hadn't locked

It .... good but I'd seen it before

• had been

• was

....... her parents before last week? - (you met)

We were late but the concert.... - (not start).

When she arrived the dancing .... (already begin).

We had already eaten when Jairo ........ home.

• come

• had come

• came