I ( ) this book in a small roadside bookstore.
2023-12-01wrx专用words
I ( ) this book in a small roadside bookstore.
A.stumbled upon
B.stumbled over
C.dropped in
D.dropped on
正确答案是A

I ( ) this book in a small roadside bookstore.
A.stumbled upon
B.stumbled over
C.dropped in
D.dropped on
正确答案是A