— Look! Somebody _____the sofa. — Well,
问题:
— Look! Somebody _____the sofa.
— Well, it wasn't me. I didn't do it.
A.is cleaning
B.was cleaning
C.has cleaned
D.had cleaned
— Look! Somebody _____the sofa.
— Well, it wasn't me. I didn't do it.
A.is cleaning
B.was cleaning
C.has cleaned
D.had cleaned