They are filling their bags ____ books and other things.[ ]A.in B.with C.ofD.by

问题描述:

They are filling their bags ____ books and other things.
[ ]
A.in
B.with
C.of
D.by

B fill sth. with sth.

B. with
他们正往他们的书包里塞书本和别的东西.