Nam is __________. He smiles and talks a lot with his friends.

rude (adj): bất lịch sự            

helpful (adj): hay giúp đỡ

outgoing (adj): cởi mở

untidy (adj): bừa bộn

Nam is outgoing. He smiles and talks a lot with his friends.

(Nam rất cởi mở. Cậu ấy cười nói rất nhiều với bạn bè.)

Chọn B.