________ is unknown to us all．

1. A.
   Where did she put it
2. B.
   Where she put it
3. C.
   That where she put it
4. D.
   In which she put it

 John asked his mom ________.

John asked his mom ________.

John asked his mom ________.

1. A.
   where did she put his coat
2. B.
   where she put his coat
3. C.
   did she put his coat where
4. D.
   where was she putting his coat

－Where did you put the car keys?

－Oh, I ______ I put them on the chair because the phone rang as I _______ in.

A. remembered; come                       B. remembered; was coming

C. remember; come                          D. remember; was coming