The Great wall is the only one of the buildings on the earth_____ seen from the moon.

_to go to Beijing today, but he postponed the trip when he heard that there would be a downpour at noon.

The General Manager held a dinner party at the International Hotel _______ the foreign guests

Why can’t I smoke? — At no time ____ in the meeting room.

How do you study a test— I study working with a group.