<span><span>1.
</span>I
had arrived in Paris by seven o'clock.</span><span><span /></span>
<span><span>2.
</span>That
man hadn't completed his work by the end of the year.</span><span><span /></span>
<span><span>3.
</span>Ann
had written the letter by the 6th of May.</span><span><span /></span>
<span><span>4.
</span>The
police had arrested the criminal by that time.</span><span><span /></span>
<span><span>5.
</span>She
had found the key when I called.</span><span><span /></span>
<span><span>6.
</span>We
had translated the article by five o'clock. </span><span><span /></span>
<span><span>7.
</span>By
the end of the year he had learnt to speak English.</span><span><span /></span>
<span><span>8.
</span>I
had cleaned my room by two o'clock. </span>
We began our journey in the historic city of Volgograd with an inspirational trip to Mamayev Kurgan to see the enormous statue, The Motherland Calls. This city witnessed the full horror and heroism of World War II and the statue celebrates the enduring spirit of the Russian people. Then, we headed back to the centre, which has risen from the ashes to become a major crossroads of transportation, and strolled along the promenade by the river before boarding our boat to begin the adventure of a lifetime. Over the next few days the boat stopped at many small villages, and we sailed past Saratov, Samara and Simbirsk. In every village there were small shops and street vendors selling clothes, matryoshka dolls and amber jewellery. It was a great chance to see rural life in Russia, and the people we met were incredibly hospitable Вотето выучи и на 5 сойдёд
Ответ:1.Donna Los meses has never eaten pancakes before.
2.Chris was at the fireworks display last night.
3.Have you seen the dragon boats yet?
4.Last year we travelled to Cheung Chau for the Bun festival.
5.Have you ever been to a battle reenastment?
6.First we went to Scotland then we visited London.
Объяснение:Если в предложениии стоит время, то это Past Simple. Если нет времени, то Present Perfect. А в последнем предложении указана последовательность действий, значит Past Simple.