Question

Qual das formas de verbo auxiliar: have ou has e since ou for completam adequadamente as frases. a) "The Soviet Union ________ been a socialist state ________ 1917." * 2 pontos a) since / has b) have / since c) since / have d) has / since


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Answer 1

Resposta: letra D

Explicação: eu acho mas tenho certeza :P