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Read the text and answer questions 31 and 32.
We saw the movie last night.
Marjorie Fuchs and Margaret Bonner
The year was 1912. The Titanic was a new, very large ship. People thought it ________ (to be) safe. But, on April 15, 1912, the Titanic hit an iceberg and ________ (to sink). More than 1,500 people lost their lives.
From the book Grammar Express Basic.
Choose the alternative that best completes the blanks with the verbs in parentheses.
Resolução comentada
Sujeito singular no passado: 'was'; sink no passado simples: 'sank'.
'it' é singular, então o verbo to be no passado é 'was': 'People thought it was safe'. A segunda lacuna pede o passado simples irregular de 'sink', que é 'sank': 'hit an iceberg and sank'.
Análise das alternativas
A) usa 'sunk', que é o particípio, não o passado simples. C) e D) usam 'were', que não concorda com 'it'. C) ainda mantém 'sink' no infinitivo.
Referência: Simple past: to be e verbos irregulares.
Resolução comentada do VaiConcursos.