---Could you let me know ________ yester
问题:
---Could you let me know ________ yesterday ?
---Because the traffic was heavy .
A.why did you come late
B.why you came late
C.why do you come late
D.why you come late
---Could you let me know ________ yesterday ?
---Because the traffic was heavy .
A.why did you come late
B.why you came late
C.why do you come late
D.why you come late