There are so many books! It is not easy
问题:
There are so many books! It is not easy for us to decide what to take and what to_______.
A.take on
B.pick up
C.leave behind
D.work out
There are so many books! It is not easy for us to decide what to take and what to_______.
A.take on
B.pick up
C.leave behind
D.work out