1) A civil engineer ___ responsible for designing structures. a) is b) are 2) Bridges ___ essential for transportation. a) are b) is 3) Concrete ___ very strong in compression. a) is b) are 4) Safety rules ___ important on construction sites. a) are b) is 5) The foundation ___ the base of the building. a) are b) is 6) Surveying ___ an important step before construction. a) is b) are 7) Construction sites ___ often noisy and busy. a) are b) is 8) Blueprints ___ detailed plans for projects. a) are b) is 9) Steel beams ___ part of many modern structures. a) are b) is 10) Drainage systems ___ necessary in urban areas. a) are b) is 11) The project manager ___ in charge of the site. a) are b) is 12) Measurements ___ accurate in civil engineering work. a) are b) is 13) Roads ___ part of public infrastructure. a) is b) are 14) Civil engineering projects ___ complex and expensive. a) are b) is 15) Quality control ___ essential for safety. a) are b) is

VERB TO BE - Inglés I

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