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） HeG3vGZd0KCEjADLJR3bq77TAhEwH84/y1y+hCXHCu4YKSAbtH0KXw2Z05nzyAyP
