– Why does she look so tired?

-- She ________ all the morning and she still hasn’t finished it.

A. cleaned  B. was cleaning C. has been cleaning    D. has cleaned

---Why does she look so tired?

---She ______ all the morning and she still hasn’t finished it.

1. A.
   cleaned
2. B.
   was cleaning
3. C.
   has been cleaning
4. D.
   has cleaned

--- Why does she look so tired?
--- She ______ all the morning and she still hasn’t finished it.

1. A.
   cleaned
2. B.
   was cleaning
3. C.
   has been cleaning
4. D.
   has cleaned