问题
Many of the world’s plants and animals have already___ , and several other species are endangered. [ ]
A: died away
B: died out
C: died down
D: died off
B: died out
C: died down
D: died off
正确答案是：
同类题型
I have you asked John to come to the party thisevening–Yes，I have，but he＿＿＿＿
Where is the manager from—I don’t know，butfrom his ________ I think he is from the south．
The parcel _____ so much that I dropped it on the stair.
23. We should believe ourselves! The brain of these people was as _____ as our own.