IV. Em hãy điền một từ thích hợp vào mỗi chỗ trống để hoàn thành đoạn văn sau.

Among many of my friends, Quan is (1) _____ best one. We became good friends (2)___________ we were in primary school. Quan is thin and a tall. He has a long face and straight nose. His hair is short, black and curly. His eyes (4)___________ large and he always has a pleasant smile. When (5)_____________ to school Quan usually wears a white shirt, black trousers and a (6)__________ of gray sandals. But after school he often wears a T-shirt, jeans and shoes. Quan is sociable. He is (7)_____________ extremely helpful and generous. Quan is very good (8)____________ natural sciences, so he always helps me with my homework. Whenever I meet a difficult exercise and ask (9) __________ , he kindly explains it to me until I understand it completely. All the things I want to say is that I am lucky (10)_____________ to have a friend like Quan.