Answer:
20 tỷ đồng tuy nhiên theo báo cáo
I think it would be the last one 'la' because it means Oh do not listen to her. The other ones would be like:
- t': Oh do not listen to you ×
- me: Oh do not listen to me ×
- te: Oh do not listen to you ×
- la: Oh do not listen to her
* I think te and t' are like almost the same but apologies if they're not.
Question 4.
Il est timide.
Question 5.
Ils sont sévères.
("Ils sont snobs" is also grammatically correct, but describing your parents as strict instead of snobby seems to be more appropriate)