Question

3) How long ______ your brother ______ Anne?

a) has/known
b) does/know
c) did/know
d) will/know

4) My grandparents _______ for twenty minutes a day

a) are walking
b) has walked
c) have walked
d) walks
​

Answer 1

Resposta:

c) did /know

c)  have walked

Explicação:

how lonn did your brother know anne?

my grandparents have walked for twenty minutes a day