—Who knocked at the door?

—I’ve no idea. I just pretended nobody was at home, so I didn’t ask who ________ was.

A. he      B. that

C. she     D. it

---- Who knocked at the door?

     ---- I’ve no idea. I just pretended nobody was at home, so I didn’t ask who was___.

     A. he      B. that      C. she       D. it

—Who knocked at the door?

—I’ve no idea. I just pretended nobody was at home, so I didn’t ask who ____ was.

A. he       B. that       C. she       D. it

—Who knocked at the door?
—I’ve no idea. I just pretended nobody was at home, so I didn’t ask who ____ was

1. A.
   he
2. B.
   that
3. C.
   she
4. D.
   it

--- Who knocked at the door?

--- I’ve no idea. I just pretended nobody was at home, so I didn’t ask who ______ was.

A. he                  B. that                 C. she                D. it

―Who knocked at the door?

―I’ve no idea. I just pretended nobody was at home, so I didn’t ask who ________ was.

    A. he             B. that                  C. she                   D. it

 —Who knocked at the door?

      —I’ve no idea. I just pretended nobody was at home, so I didn’t ask who ____ was.

      A. he                        B. that                         C. she                      D. it

—Who knocked at the door?

—I've no idea. I just pretended nobody was at home, so I didn't ask who __________was.

[　　]

－Who knocked at the door?

－I've no idea. I just pretended nobody was at home, so I didn't ask who ________ was.

[　　]