Ex. 7. Supply prepositions wherever needed in the sentences: This is my sitting room. There is a thick carpet on the floor, a sofa on the right, and two armchairs by a small table. The TV-set is in the left-hand corner of the room. The sideboard is by the window. The bedroom is not very large. There is a dressing table in the corner of the room. There are two beds with bedside tables. And this is my bathroom. There is hot and cold running water in the taps. The mirror is on the shelf, the rail for towels is by the basin.

В этом упражнении предлоги уже фактически даны, поэтому нужно просто показать правильный вариант текста с нужными предлогами и, при желании, выделить их.

Правильный вариант:

This is my sitting room. There is a thick carpet on the floor, a sofa on the right, and two armchairs by a small table. The TV-set is in the left-hand corner of the room. The sideboard is by the window. The bedroom is not very large. There is a dressing table in the corner of the room. There are two beds with bedside tables. And this is my bathroom. There is hot and cold running water in the taps. The mirror is on the shelf, the rail for towels is by the basin.

Если выписать только предлоги по порядку, получится:

on, on, by, in, of, by, in, of, with, in, on, by

Кратко по смыслу:

• on the floor / on the right / on the shelf — на поверхности или в определённом положении;

• by the window / by the basin / by a small table — рядом;

• in the corner / in the taps — внутри, в пределах чего-то;

• of the room — комнаты;

• with bedside tables — с прикроватными тумбочками.