Do you think people can live on the moon one day—May be. However, it may take ________ years to make it.

There have been several new events ______ to the program for the 2008 Beijing Olympic Games [ ]

er I met her, ____ was fairly often,she greeted me with a sweet smile.

____ people ____ the Olympic Games on TV.

Why doesn’t she make notes —She has no pen to use．She seems one． A．tohave forgotten to bring B．toforget to bring C．tohave forgotten bringing D．toforget bringing