— __________ is it from Sunshine School to the center of Beijing?— It’s about 40 kilometers ________ our school.
I am too busy to listen to her ______ talking. She has talked for about two hours.
-Look, your sister is playing the piano over there. -She ______ be my sister. She has gone to America.
It is polite ______ you to give seats to the elderly.
-Why are there a lot of dead fish in the river? -Because they were ______ by the polluted water.
- Thank you so much for the gift. -_______.