The World Health Organization has given some advice on to protect us from being infected(感染) with H7N9.
—Ismagazine yours,Tom?. —No.I don’t havemagazine like this.
Mr.White taughtmath last term.
Jim,was your friend bornSeptember,1999?
—Excuse me. Do you know _____________? —Yes. He came here yesterday.
Boys and girls, Listen to me carefully, Let me tell you______ to the Bird Island.