If someone has to     an action or policy, they are responsible for it, and may be  required to explain it to other people or be punished if it fails.
#67193
A
account for
B
make up
C
focus on
D
pay off
推荐题目
The teacher asked us to ___ Lesson Ten if we hadn't finished it.
#80975
A
go on to read
B
go on reading
C
go to read
D
go with reading
That winter we ______to write a history of our school.
#80645
A
set out     
B
set about
C
set off     
D
set up
How did it______ that humans speak so many different languages?
#83643
A
come out
B
come off
C
come about
D
come round