What is the difference between "I just completed the test." and "I just completed the testing." ?

first conditional If I have any questions, that I can not figure out, I'll asked for your help.

Помогите разобраться со структурой предложения "...over the yarn shop run by her grandmother." Всем привет! Помогите разобраться, почему в предложении есть "run by" "Lina lived in Quillium Square, over the yarn shop run by her grandmother. " Перевод Лина живет в Quillium Square, над магазином пряжи её бабушки. "run by" Пробежала мимо? мимо магазина пряжи? но нет, дальше пишут, что она зашла внутрь магазина. "When she got to the shop, she burst in the door and cried, “Granny! I’ma messenger!” "

What is the difference between “the wall met the roof” and “cornice”? Hi everyone!

What is the difference between “nook” and “cranny”? Hi everybody!

Hi everyone! What does the phrase "Go big, or go home." ? Hi everyone! What does the phrase "Go big, or go home." mean in the following extract: "Scott Kelly posted the video on his Facebook page. He wrote, “Needed a little humor to lighten up a #YearinSpace. Go big, or go home. I think I’ll do both! #SpaceApe.”"? http://learningenglish.voanews.com/content/scott-kelly/3208257.html

What does the word "let" mean in the following extract: "I let myself into my tiny little studio"? Hi everyone! What does the word "let" mean in the following extract: "I let myself into my tiny little studio"?