Use of English · Part 3
Fifty feet below (0) DOWNTOWN (TOWN) Seattle, the world's largest tunnel-boring machine, nicknamed Bertha after the city's (1) .......... (PROGRESS) mayor, lies still. This (2) .......... (REMARK) vehicle weighs 7,000 tons, stretches nearly 330 feet long, and has a 60-foot diameter. When fully (3) ..........…
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