Hurry up, Mike. You must get to the airport an hour before the plane________.
— Look! That’s Amy. — It _______ be her. She’s gone to Xi’an.
—Do you know Peng Liyuan? —Of course, she is _______ First Lady of China, _________ famous singer.
Diaoyu Islands(岛) are parts of China and they’re ____ the southeast of China.
—The TV show Home With Kids is so wonderful. You shouldn’t miss it. —If I ______ time, I ______ it.
The children ______ a P.E. class on the playground when it began to rain suddenly.