题目内容
(请给出正确答案)
[单选题]
also called bookbag, knapsack, packsack, pack, or bergen — is, in its simplest form, a cloth sack carried on one's back and secured with two straps that go over the shoulders.
A.backpack
B.luggage van
C.suitcase
D.truck
提问人:网友lb12835
发布时间:2022-01-06