You need to have more information so that it can be answered
""Please give me the documents as soon as possible," she said." That's a line of dialogue.
I'll just rewrite the sentence how it's supposed to sound...
My bike tire was low, i wasn't surprised that it went flat just as it began to rain.
Answer:
3) Radioactive material in the Garigliano River (made) underwater searches there dangerous. - past
4) Many students of archaeology (will have) completed an archaeological dig by graduation. - future perfect
5) I am happy __ Leonardo da Vinci's Mona Lisa - To have viewed
6) Da Vinci was one of the most interesting artists __ during the Italian Renaissance. - to have lived
hope this helps
Explanation: