Mark the letter A, B, C or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions. Question 31: You should to read more books if you want to improve your English vocabulary. A. if B. to read C. to improve D. vocabulary Question 32: I wish all the children in the world don’t have to live in poverty any more. A. the B. don’t have to C. all the children D. in Question 33: We cancelled our camping trip because of it rained heavily. A. cancelled B. camping C. heavily D. because of Question 34: The doctor which we met in France has just sent us a greeting card. A. met B. a C. which D. has CÁC BẠN GIẢI THK CHI TIẾT GIÚP MK NHA