Question

Alfredo's score on the test is the highest in the class; he:


A) should study last nigth.
B) should have studied last nigth.
C) must have studied last nigth.
D) needn't have studied last nigth.
E) used to study at nights.​

Answer 1

Resposta:
Letra e.

Explicação:
Used to= costumava
Então pelo fato dele costumar estudar durante a noite que obtém os melhores resultados da turma.