ÌâÄ¿ÄÚÈÝ
______ these rare birds, people should take more action, including building reserves for them.
A. Saving B. save C. To saving D. To save
D ¡¾½âÎö¡¿¾äÒ⣺ΪÁËÕü¾ÈÕâЩϡÓÐÄñÀ࣬ÈËÃÇÓ¦¸Ã²ÉÈ¡¸ü¶àÐж¯£¬°üÀ¨ÎªËüÃǽ¨Á¢±£»¤Çø¡£¶¯´Ê²»¶¨Ê½ÓÃ×÷Ä¿µÄ×´Ó¹Ê´ð°¸ÎªD¡£
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿