—I had a pleasant weekend on the farm.—________.
The newspaper says if more underground lines________ next year,it will be much easier for people to travel around Nanjing.
—Excuse me, may I take a seat here? —________. The man on the seat has left.
—What did you say just now? —I asked __________.
—Did you have any problems in Britain? —Yes, _______with foreigners.
—Whose book is this? —It ________be Mary's. J. K. Rowling is her favorite writer. —No, it ______ be hers . She never brings novels to school.