A:1
B:2
C:3
D:不确定
Many students write to Language Doctor to _______ advice about learning English.
我国曾开展过大规模的“剿灭麻雀”运动,麻雀曾被认定为主要害鸟,但是现在又发出了保护麻雀的呼声,以下说法不正确的是( )