English Language · Cloze Test

In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in blank number 1. Elements of his invention are thought to have included a metal alloy. As he contemplated, (1)______ idea came to him. Could (2)______ metalwork process be used to (3)______ words on a page? Gutenberg's idea (4)______ to cut from the alphabet on individual blocks of metal that could melt (5)______ and cool quickly to form durable reusable type, an oil-based ink that could be made sufficiently thick to adhere well to metal type and transfer well to vellum or paper, and a new press.