Write the correct letter, A-G , next to Questions xx-xx. （配对题）
Choose FOUR answers from the box and write the correct letter, A-F , next to Questions xx-xx. （配对题） k/BYPtvD6KUvxEspnyqKoN9OfQ8sRKhnCW+kLSGS9cwBv+NyizN9rDYq/oPfAX57
