impenetrable

[ɪmˈpenɪtrəbl]
adjective

1.	[impossible to penetrate] impenetrable

2.	[impossible to understand] incomprensible

similar words

impenetrable

French

German

Italian

Complétez la séquence avec la proposition qui convient.

When she was young, Eileen … do a lot of sports, but now she runs every other day.
- didn't use to
- used to