I don’t know how to begin a talk with Betty. She can sit all day long ______ a word. [ ]

What do you usually do ______ Sundays? — We enjoy ourselves at the guitar club. [ ]

They’re going to go to a football match ______ Saturday afternoon. [ ]

Can you tell ___ the way to the People’s Hospital(人民医院)?

The box is ________ heavy ________ I can’t lift it.