Complete as lacunas abaixo com a forma correta do verbo no pas...

Complete as lacunas abaixo com a forma correta do verbo no past continuous: shirley at School when John arrived , bot she in the classroom yet . she at the library studying for the test .

a)was, was, not, were

b)was, was, not ,was

c)was, was ,was

d)was, not, was, were

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