Bonjour,
Réponse :
a. Are they the competition winners?
Yes, they are
b.. Is Jack 13?
Yes, he is.
c. Are Tom and Katie Australian?
No, they aren't.
d. Is it their first trip to the USA?
Yes, it is.
e. Is Kate afraid?
No, she isn't.
f. Are they excited by the trip?
Yes, they are.
Explications :
Réponses courtes :
Yes, + pronom ( I/you/he/she/it/we/you/they ) + am/is/are
No, pronom ( I/you/he/she/it/we/you/they ) + am not /is not ( = isn't )/are not ( = aren't )
