22. I my university professor in the supermarket near my house which was out of my expec

问题补充：

22. I my university professor in the supermarket near my house, which was out of my expectation.

A. came out

B. came across

C. came about

D. came along

答案：

A. came out

(答案→)B. came across

C. came about

D. came along

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