Question

porfavor alguém pode me ajudar são duas perguntas!

1) Qual estrutura gramatical melhor completa a frase: "The teacher ______ school when we arrived" 

had left

had been leaving


2) She had been studying English ____ 4 years ___ she moved to the USA 

since / when

for / when

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Answer 1

Resposta:

1) The teacher *had left* school when we arrived

2) she had been studying English *since* 4 years, *when* she moved to USA

Explicação:

1) pq foi no passado

2) since = desde

ela esta estudando Inglês desde os 4 anos, quando ela se mudou para os estados unidos