----- Nội dung ảnh ----- Choose the correct option A, B, C or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following sentences
Câu 21 Tuan has to try and **focus** his mind on his lessons, or he will not overcome the midterm tests. A. study B. concentrate C. coach D. discuss
Câu 22 How many countries **took part** in the last Olympic Games? A. performed B. succeeded C. participated D. hosted
