Question

17. ____you at the party last night?

a) was
b) wasn't
c) were
d) weren't


18. Thomas____talking to her yesterday.

a) were
b) was
c) is
d) are

19. they____watching that movie for 2 hours yesterday

a) were
b) is
c) was
d) are​

Answer 1

Resposta:

17. Were you at the party last night?

a) was

b) wasn't

c) were

d) weren't

18. Thomas was talking to her yesterday.

a) were

b) was

c) is

d) are

19. they were watching that movie for 2 hours yesterday

a) were

b) is

c) was

d) are​

Resposta:

 

Explicação:

 

Explicação:

Answer 2

17.a) was pq were é só quando se apresenta no plural e a frase não é negativa, portanto a resposta também n pode ser.
18.b) was pelo mesmo motivo da primeira.
19.a) were, pq a frase está no passado e no plural.

Espero ter ajudado, bons estudos!