—Could you please tell us_________ the World EXPO in Shanghai? – In July.
–What do you often do ____ classes to relax yourself? –Listen to music.
We looked at each other ____ surprise when we heard a bird singing “Happy birthday to you”.
She will leave her homework ____ the teacher’s desk after school today.
–How do you learn English so well? –____ chatting with my uncle in America online.
–How do you travel to school every day? –I go ____ bus.