1 Where is this letter from?/
Where does this letter come from?
2 Did you bring good news to us?
[bring sth to sb为某人带来了...]
3 Harry is going to visit Washington (DC) this winter holiday/vacation.
4 They were too happy/glad to know what to do./
They were so happy that they didn't know what to do.
[too...to..太...而不能...]
[so...that...如此...以至于...]
5 It is pretty good to set aside some money and deposit it into the bank every month.
[set aside some money 攒一些钱]
[deposit存放,存款]
6 Dick needs 50000 yuan to pay his debt./for paying his debt.