In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.
Fountains are used today to decorate city parks and squares; to honour individuals or events; for recreation (1)________ for entertainment. A splash pad or spray pool allows city residents to enter, get wet and cool off in summer. The musical fountain (2)________ moving jets of water, coloured lights and recorded music, controlled by a computer, for dramatic effects. Fountains can (3)________ also be musical instruments played (4)________ obstruction of one or more of their water jets. Drinking fountains provide fresh (5)________ in public buildings, parks and public spaces.
Select the most appropriate option to fill in blank no. 4.

In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.
Fountains are used today to decorate city parks and squares; to honour individuals or events; for recreation (1)________ for entertainment. A splash pad or spray pool allows city residents to enter, get wet and cool off in summer. The musical fountain (2)________ moving jets of water, coloured lights and recorded music, controlled by a computer, for dramatic effects. Fountains can (3)________ also be musical instruments played (4)________ obstruction of one or more of their water jets. Drinking fountains provide fresh (5)________ in public buildings, parks and public spaces.
Select the most appropriate option to fill in blank no. 4.