10. My brother was born on January 10th 1990 it was snowing heavily.A. whichB. whenC. i

问题补充：

10. My brother was born on January, 10th, 1990 it was snowing heavily.

A. which

B. when

C. in which

D. That

答案：

A. which

(答案→)B. when

C. in which

D. That

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