If the sentence is grammatically correct,put +. Ifit is wrong,correct it.
1.Hannah likes going to parties and communicating with other people.
2.John gets ready for the final exam at the moment. Don't disturb him.
3. Nicola is staying with her host family this summer.
4.In Russia young people usually are entering university at 17 or 18.
5. I am sharing my room with 3 other girls.

1 - correct2 - John is getting ready for the final exam at the moment. 3 - correct4 - In Russia young people usually enter university at 17 or 18.5 -  I share my room with 3 other girls.