-Can I help you?--_________I want a skirt.
-- Have you been to Shanghai_______?--Yes, I have _______been there twice.
There are many bees _______among the flowers.
---Do you know _____the members in this club?---It’s about 200.
Making a loud noise in public does great _____to people’s hearing.
When Miss Wang went into the classroom, she saw someone _____ chess.