【简介】感谢网友“雕龙文库”参与投稿,这里小编给大家分享一些,方便大家学习。
69.The detective and his assistant have begun to ________ the mysterious murder.
A.come through
B.look into (into 进入中心)
C.make over
D.see to
70.Sadly, the Giant Panda is one of the many species now in danger of ________.
A.extinction
B.migration 迁徒
C.destruction 家世 血统
D.extraction