It is essential that everything in advance.（）
A、shoulddecide
B、bedecided
C、decided
D、willbedecided
Apersonisluckyifhiscareer________withhisinterestandhobby
A、concerns
B、competes
C、coinciders
D、compares
Youmayusebike________yougiveitbacktometomorrowmorning
A、unless
B、provided
C、though
D、because
The_(month)salaryforthepositionwillbenegotiableataround$2,000.
Some students from asking questions in class.（）
A、shyaway
B、blowaway
C、doaway
D、carryaway