The Hotel Al Arab ______ the first and only 7-star hotel in the world was designed in the shape of a sail of 321 meters [ ]

Hangzhou is one of the most beautiful cities ___ I have ever visited.

We have dinner in evening.

9______, President Obama is the most powerful in the world

Where is Mr. Wu I haven’t seen him for several days.—He ________ America and he ________ from his home since last week.