Упражнение на сравнение употребления a / an и some / any

There aren’t ___ wooden houses in this street.

Is there ___ green apple on the table?

There is ___ man in the office.

There are ___ men in the office.

Are there ___ shops near your house?

There isn’t ___ armchair in the dining-room.

Sam and Molly haven’t got ___ children.

There are ___ mirrors on the wall in the lounge.

There are ___ cushions on the sofa.

Are there ___ keys on the desk?