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
答
B fill sth. with sth.
答
B. with
他们正往他们的书包里塞书本和别的东西.