Walk ________this street. You’ll find the school________ he park.[ ]

English is _________ so difficult to me. I can’t learn it well.— Don’t give up(放弃).

I’m sorry I’m late. I got held up in the traffic on my way here. —___________________.

Did you see Dr Ma yesterday afternoon? —When I got to his office, he ______. So we just talked little.

______ are the Olympic Games held?—Every three years. [ ]