I always forget some news . I am very upset. and don' t know _______ . A. how to do. B. when to do. C. what to do .
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.