Past simple and past perfect

We          to Spain for our summer vacation and enjoyed the beaches. (travel)

They         at the airport two hours before their flight departed. (arrive)

He     never      such a beautiful sunset before his trip to Greece. (see)

The chef              everything by the time the guests arrived for dinner. (prepare)

After I               (complete) my homework, I         (watch) a movie with my family.

The author             three novels before she became famous. (write)

The musician           his new song at the concert and everyone loved it. (performe)

She     already        her suitcase when her friend called to cancel the trip. (pack)

Mark        his dog in the park every morning during his holiday. (walk)

The company           their new product at the conference last month. (announce)

Sarah         her grandmother in the countryside last weekend. (visit)

They              their dinner by eight o'clock last night. (finish)

By the time we arrived at the cinema, the film             . (start)

She          (realize) she               (forgot) her passport when she arrived at the airport.

We           in that house for ten years before we decided to move. (live)

The chef          a delicious meal for the guests at the restaurant. (prepare)

The company               the new software for months before its release. (develope)

She             English for five years before she moved to London. (study)

The students           their homework before the deadline yesterday. (complete)

The teacher           the difficult concept clearly to all the students. (explaine)

The train          the station when we finally arrived there. (leave)

She        a new laptop because her old one was too slow. (buy)

The concert     already       (end) by the time we         (reach) the venue.