Exactly when the first people arrived in ________ we now know as California, no one really knows.

Exactly when the first people arrived in ________ we now know as California, no one really knows.

1. A.
   which
2. B.
   what
3. C.
   that
4. D.
   it

Exactly when the first people arrived in ________ we now know as California, no one really knows.

. No one really knows exactly when the first people arrived in_____we now know as California.

   A. that              B. which         C. what           D. where

. No one really knows exactly when the first people arrived in_____we now know as California.

   A. that              B. which         C. what           D. where