Hello, I am Jack London (for example) ,my fovourite weekday is Saturday , because I haven't got any work for this day,I can what I want.
The boy's leg
the parent's daughter
the Nick's house
The children's doll
1.mustn't
2.must
3.mustn't
4.must
5.mustn't
6.mustn't
He/she/it -is
They/we-are
2.were 3.appeared 4.produce
1.happened 2.sitten 3. Watched 4.went 5.became