—Where did ________traffic accident happen,sir?

—It took place at ________crossroads by the bank.

A.a;/                                   B.the;a                         C./;a                                   D.a;a

—Where did ________traffic accident happen,sir?

—It took place at ________crossroads by the bank.

1. A.
   a;/
2. B.
   the;a
3. C.
   /;a
4. D.
   a;a