----Who ________ is going to have a piano lesson? ----Nobody.
My neighbor asked me _______ I heard the big noise last night.
_______ he did well, he was never top of his class.
—Do you know _______ the girl in red is?—I’m not sure. Maybe a doctor.
All of us went to the park _______ Bob. He had to look after his sister at home.
. Jim has _______ friends here, so he often stays at home and feels lonely.