-When did _______ accident happen ?

-Let me see . It was on ______ very hot afternoon in July so there was not much traffic in the street .

A．the ; the           B．an ;不填          C．an ; the                   D．the ; a

（2010·北京市通州区高三一模）       21. —When did                accident happen ?

   —Let me see  It was on                   very hot afternoon in July so there was not much traffic in the street.

A. the : the       B. an :不填       C. an : the   D. the : a

（2010·北京市通州区高三一模）       21. —When did                accident happen ?

   —Let me see  It was on                   very hot afternoon in July so there was not much traffic in the street.

A. the : the       B. an :不填       C. an : the   D. the : a

-When did ________ accident happen?

-Let me see．It was on ________ very hot afternoon in July so there was not much traffic in the street．

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

—When did 　　　　　　　 accident happen ?

—Let me see. It was on　　　　　　　　　 very hot afternoon in July so there was not much traffic in the street.

A. the : the　　　 B. an :不填　　　 C. an : the　 D. the : a