first little exam

1.- whose glasses are those?
i don´t know. are bthey de teacher  is ?
teacher, are these yours ?
yes, they  are , thank you ?
And my reward?
Hahahaha, you are funny.
2.- whose cell phone  is this/these?
i don´t know. i think it is  hers.
zulés? ok.
zule , is this your phone?
no, it´s not. it´s his.