5. —How did you find your sister in such a big and strange city?
—I ____ her in the railway station when I was looking for the police for help .
A.came about
B.came out
C.came up
D.came across
答案:D
5. —How did you find your sister in such a big and strange city?
—I ____ her in the railway station when I was looking for the police for help .
A.came about
B.came out
C.came up
D.came across
答案:D