Mr Brown flew to Kunming______a sunny morning.[ ]

She met her uncle ______her way ______school.[ ]

David, someone called you last night.—Oh, who was ?

Look, your sister is playing the piano over there.－She ______ be my sister. She has gone to America.

Can you tell me _____ the birdwatchers in Zhalong Nature Reserve? I only know that _____ of them are from our school.