Question

11) They .................... the answer.
a.
don't know

b.
aren't know

c.
doesn't know


________________________________________
12) I ............... understand.
a.
no

b.
don't

c.
not

Answer 1

Respuesta:

11) They don't know the answer.

12) I don't understand.

Espero te sirva, saludos :)