______ ,all the students have covered 5 kilometers and no one quit on the half way.
| A．To our anger | B．To our sorrow | C．To our joy | D．To our disappointment |
_______ from the hill, the whole city of Nanjing looks more beautiful.
| A．As people see | B．Seeing | C．People see the city | D．Seen |
____ I saw her, I remembered to give Marie the money I owed her.
| A．While | B．Immediately | C．Suddenly | D．Momentarily |
―Who are those people walking along the street with banners?
―A group _______ itself the League for Global Environment Protection.
| A．calling | B．called | C．being called | D．is called |
_____ human beings live in great numbers, the waters are very likely to become contaminated.
| A．That | B．Where | C．Even if | D．Though |
_____ I admit that the problems are difficult , I don’t agree that they cannot be solved.
| A．While | B．Suppose | C．Because | D．as though |