There __________ a teacher and seventy—two students in the classroom.
It is_________ popular way among the young people to chat on the Internet now.A. a B. an C. the
—What did he say just now?—He asked me_________,A. when my sister came backB. when did my sister come backC. when will my sister come back
—I'm sorry I forgot to bring your MP4.—_________ You can bring it here next time.A. Sounds good B. Thank you C. It doesn't matter
—Do you know Li Na?—Of course. She's a great tennis player_________ comes from Hubei, China.A. who B. what C. which
— We plan to go out for a picnic next weekend. Would you like to come along?— ______. It’s my favourite.