问题
选择题
I ________ one of my old friends while doing shopping in a supermarket，whom I hadn't seen for
ten years.[ ]
A．came across
B．came about
C．came to
D．came up
答案
答案：A
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I ________ one of my old friends while doing shopping in a supermarket，whom I hadn't seen for
ten years.[ ]
A．came across
B．came about
C．came to
D．came up
答案：A
