Although this ____ sound like a simple task, great care is needed.
| A．must | B．may | C．shall | D．should |
Russia won the host right of the 2018 World Cup England lost it on December 2.
| A．before | B．or | C．while | D．even if |
__ is well-known to all that the 2016 Olympic Games will be held in Rio de Janeiro ,Brazil.
| A．As | B．What | C．That | D．It |
Halloween is believed to be a day ______all the spirits come back to the world of the living, and we have the same day in China called “Guijie", the Day of Dead.
| A．where | B．when | C．which | D．that |
The house, which is large and is surrounded by trees and flowers, is what she longs for ．
| A．directly | B．extremely | C．skillfully | D．exactly |
—It has been a wonderful evening. Thank you very much.
—__________.
| A．I’m glad to heart that. | B．My pleasure |
| C．No, thanks | D．Don’t say so |