In 2001,
when these attacks _____(1)_____, the cellular network was still growing
and was not as robust as it is today.
This letter is just one of the many objects that The National Museum of American History
_____(2)_____ since 2001. To learn more, visit our online exhibition September 11th: Bearing Witness to
History.
4. (Espcex (Aman) 2018) Choose the alternative containing the correct verb tenses to complete gaps (1)
and (2) in paragraphs 4 and 5 respectively.
a) have happened, collected
b) have happened, have collected
c) has happened, has collected
d) happened, has collected
e) happened, have collected
Soluções para a tarefa
Respondido por
2
Resposta:
Letra b
Explicação:
Present Perfect.
Respondido por
2
Resposta:
D) happened / has collected
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