By the end of last week, she______in the west of China for two months helping the homeless children.

I have _______ much work to do _______ I have no time to go out with you.

The swimming pool is ________.

A very beautiful scene spreads in front of the mountain, at the foot of which ______.

I think it’s going to be an argument.（争论）—Yes, it could be.—I wonder ______we can do .