Those are my sisters.
Thouse aren't my sisters.
Are those your sisters?
Yes,they are.
No,they aren't
This is your father.
This isn't your father.
Is this your father?
Yes,this is.
No,this isn't.
They like salad.
They don't like salad.
Do they like salad?
Yes,they do.
No,they don't.
Those are my sisters.
Thouse aren't my sisters.
Are those your sisters?
Yes,they are.
No,they aren't
This is your father.
This isn't your father.
Is this your father?
Yes,this is.
No,this isn't.
They like salad...
Worthwhile (adj) 值得的
worthwhile 用于下列句型:
It is worthwhile doing sth./ to do sth.干某事是值得的
但不能说:sth.is worthwhile doing/ to do
长城值得去旅游.It is worthwhile visiting/ ...
he Olympic Games The Olympic Games, first held in 776BC, has a history of more than one thousand years. The modern Games is held every four years. Many countries try their best to bid for hosting the ......
I am so sorry that I have to be off for some days because of my father's illness.My father is lying in hospital and he needs my care now.Maybe the company needs me ,too,which is important to me.But my......