My pain __________ obvious the moment I walked into the room, for the first man I met asked sympathetically，"Are you feeling all right?"
| A．must be |
| B．must have been |
| C．might have been |
| D．may be |
Traffic is bad, ______ in the city center during the rush hours.
| A．particularly | B．terribly | C．mostly | D．normally |
—What made Alice so upset? —______.
| A．Peter’s leaving without saying goodbye | B．Peter left without saying goodbye |
| C．Peter was leaving without saying goodbye | D．Peter had left without saying goodbye |
Every Monday morning, students in our school would stand at attention, watching the national flag ______.
| A．raising | B．rising | C．being risen | D．being raised |
Getting out of the crowded bus, ______
| A．her cell phone was found missing | B．her cell phone was nowhere to be found |
| C．she found her cell phone missing | D．Her cell phone couldn’t be found |
______ better in 2010 World Expo is the duty of every citizen in Shanghai.
| A．Being served | B．Serving | C．Serve | D．Having served |