understudy
[ˈʌndəˌstʌdɪ] ( pl understudies, pt & pp understudied )noun
sostituto m, sostituta f
understudy
[ˈʌndəˌstʌdɪ] ( pl understudies, pt & pp understudied )transitive verb Conjugaison
sostituire
Complétez la séquence avec la proposition qui convient.
Babies …, it's normal.