`78.` strengthen
`->` to `+` Vinf
`-` strengthen(v): củng cố, tăng cường
`79.` dissatisfied
`->` be `+` adj
`-` dissatisfied(adj): không hài lòng, bất mãn
`80.` local
`->` mạo từ `+` noun
`-` local(n): địa phương

Gửi nốt bn câu cuối :)))

@Yui

Question 78. Team games help to strengthen the student’s solidarity.

Question 79. She made a lot of preparations, however, she was satisfied with them.

Question 80. Our products are famous not only in the local but also nationwide.

chúc bn học tốt ;-;