Excuse me, Mary, a reporter from Vanity Fair _______ all day. Could you speak to her now?.
—What will you be doing at 4:00 tomorrow afternoon?—I _____ in my office.
The school _______ he once studied in is famous.
—Really ? Who will give ____lecture ? What is it about ?—Professor Chen , ____president of Beijing University . About pollution .
Children are likely to get _____ if no one cares about their upbringing.
– Can those ____ at the back of the classroom hear me?