Choose the best answer for the following sentence:
She __________________ of great help to us since she ________________ for such a long time
with us.
with us.
A.
has been - has lived
B.
has been - has been living
C.
has been - lived
D.
A and B are correct
Đáp án và lời giải
Đáp án:D
Lời giải:
A and B are correct