tìm lỗi sai ngữ pháp

tìm lỗi sai: "They invited some close friends to the dinner"

tìm lỗi sai: " they have variety types of food"

tìm lỗi sai: " the rate of people who using facebook"

tìm lỗi sai: " she is good at dancing and cook"

tìm lỗi sai: "I am thinking it’s important to learn English"

tìm lỗi sai: "my mother go to the school"

her voice sounds

tìm lỗi sai: "he appeared surprise at the news"

tìm lỗi sai: "my mom allow me buy candy"

tìm lỗi sai: "i have 2 dogs, haven't I"