Употреби верно вспомогательный глагол:What... he usually do in the evenings?a) do

Употреби верно вспомогательный глагол:

What... he usually do in the evenings?
a) do b) did c) does d) will

... you write a letter to your friend next Sunday?
a) will b) do c) did d) does

Where ... they go last month?
a) do b) did c) will d) does