Jack, what about the lecture— It is the most inspiring lecture that I _________ since I came to this university.

It is not until recently ______ thescientists have found proof of there being water on Mars

Did you find out the time of the train to Miami? —Yes, the early train is _______ to leave at 5:30 a.m.

No matter who you are and what are you, ________， we should remember that “being” and “doing” are much more important than “having”.[ ]

Look! The girl is dressing up _______ an old woman ______ a black coat.