初一英语语法题,急,

所给的词及反身代词造句.
1.we enjoyed/at/beach today
We enjoyed ourselves at the beach today.
2.all of you,please make/at home
__All of you,please make yourselves at home_
3.Their children/can/look after
__Their children can look after themselves.
4.I/going to teach/Japanese
__I am going to teach myself Japanese
5.Mr Pan fell over and cut/on/knee
Mr Pan fell over and cuthimself on the knee
6.Jin,don't hurt/with that knife
Jin,don't hurtyourself with that knife
7.the bird built/a nest(鸟巢)
_The bird built itself a nest__
8.she washed/after her swin/ocean
she washed herself after her swimming in the ocean