All the kids had a lot of fun ________Children’s Day. They sang and danced happily all day.

nagingdirector of this department took the ______ for the accident, although it wasnot really his fault

s not an economical way to get more water;____, it is very expensive

Betty is _______careful as I, but I’m _____ than you.

I think it’s beneficial to build alibrary near our dormitory building.— 　　　. It will be a greatconvenience.