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） b6U5M32Cw4hTpFzXCPDI15OWdsLzi2PGysyxTLmk88lSBZ7X6EML4UarH2K72sUs
