_____with the size of the whole earth, the biggest ocean does not seem big at all[ ]

I don’t think _____ possible to travel around the world without any modern equipment. [ ]

27．—I can’t find Fred．He is not at home．—Why don’t try______him

Can you come to my party this Saturday, Lucy — ______. I’m not in Jinan that day.

ohn woke up he was in the hospital,but he didn’t know how that had