Bob has a great collection of shells. He has been_shells_ three years.

分类: 作业答案 • 2022-05-02 16:44:42

问题描述：

Bob has a great collection of shells. He has been___shells___ three years.
A.collected,since B.collecting,about
C.collect,duringD.collecting,for

答

Bob has a great collection of shells. He has been___shells___ three years.