英语单项选择1、We are told that it is_______we are born that decide

英语单项选择
1、We are told that it is_______we are born that decides our nationality.
Athe country
Banywhere
Cwhere
Dsomewhere
2、– Are you sure about that?– _______.
AYou needn't worry about that
BI like the idea
COh,no.I'm afraid of that
DOh,yes.I'm absolutely positive
3、– Go that way and take a seat.– _______.
ANo,I'm not tired
BThanks,but I'd rather stand
CYes,that's a good way
DIt doesn't matter
4、We failed in our_______to climb the mountain.
Atrial
Bcontempt
Cdesire
Dattempt
5、The mistake was_______by the carelessness of the assistant.
Adue
Bcaused
Cbecause
Dowe