Go... these stairs until you reach the top floor
a )up b) through c) on d) in​

mary used to eat junk food when she was a child but now she keeps fit and prefers healthy food.

10 years ago people used to pay only in cash, but today most people have credit cards.

seven years ago i used to have a motorbike, but now it belongs to my sister as i drive a car.

when he lived in paris, he used to eat frogs every weekend, but now he lives in india and he eats indian food every second day.

when her granddaughter was a kid she used to believe that snow was made of ice cream.

Libraries are usually open daily from monday to friday, including some evenings, as well as on saturday mornings. 1) are libraries usually open from monday to friday, including some evenings, as well as on saturday mornings. 2) what is usually open daily from monday to friday, including some evenings, as well as on saturday mornings? 3) are libraries or shops usually open daily from monday to friday, including some evenings, as well as on saturday mornings? 4)  libraries are usually open daily from monday to friday, including some evenings, as well as on saturday mornings, aren't they? 5) he asked what libraries were usually  open daily from monday to friday, including some evenings, as well as on saturday mornings.  some have a meeting room which can be booked by individuals or organizations.   1)          do any have a meeting room which can be booked by individuals or organizations? 2)          do any have a meeting room or hall which can be booked by individuals or organizations? 3)          where do any have a meeting room which can be booked by individuals or organizations? 4)          some have a meeting room which can be booked by individuals or organizations, don’t they? 5)          he asked if any had a meeting room which could be booked by individuals or organizations?