—______ do they get a present for their mother? —Because it’s their mother’s birthday.

_____ does your sister go to school? –She goes to school in my father’s car. 

----Who will come and_______ if you don’t?----Either my father or my brother will come to the airport.

--- _______ does he play basketball? --- On the weekend.

—______ will the fog and haze last?—I’ve no idea. There is no sign of an end.