– Lisa, why are you still here? School is over.
– I ______ my classroom yet, I need fifteen more minutes.
A. don’t clean B. haven’t cleaned C. didn’t clean D. won’t clean
– Lisa, why are you still here? School is over.
– I ______ my classroom yet, I need fifteen more minutes.
A. don’t clean B. haven’t cleaned C. didn’t clean D. won’t clean
B