round the clock

adverb

rund um die Uhr

round-the-clock

adjective

round-the-clock surveillance/activity

Überwachung/Aktivität rund um die Uhr

round the clock

Spagnolo

Italiano

Complétez la séquence avec la proposition qui convient.

There … be a mall in our town, but now there is a big one.
- didn't use to
- used to