Did you see Mr. Black just now?—Yes. He ______ his car when I met him.

They have learned English _______ ten years. [ ]

You can’t imagine what great difficulty I had _______ my father to agree to my plan for the holiday.

Do you know our town at all? —No, this is the first time I_______ here.

It _______ law for some people to let the children who are not old enough ____ in the factories for them.