When he was running after his brother, the boy lost his ___ and had a bad fall.
A. balance .chance C.memory D.place

He gave himself a new name to hide his ____ when he went to carry out the secret task.

____, everyone present was amused by his adventure story in Africa.

_____the early flight,we ordered a taxi in advance and got up very early.

--Did you enjoy the party?
--Yes,we___by our hosts.