This book is ___hard ___understand.
——Could you tell me how to get to the Yellowstone National Park from here?——_________.Maybe you can ask the policeman over there.
——Could I ask you a few questions?——___________.
---Do you think Daming will have a big company? ---____________.
---Will you make travel plans this Saturday morning?---______. We’ll make them on Sunday afternoon.
Mike wants to be a policeman. He thinks it is a good ______.