问题

Many of the earth’s plants and animals have already ______ and several other species are endangered．

A:died away
B:died out
C:died down
D:died of

正确答案是：

同类题型

Many a time _____ swimming alone. [ ]

Fur coats are good means to ______ people from frost bites in cold winter. [ ]

______ is surprising to us is that Tom, for _______ English was once boring, can speak English fluently as though he were a native speaker.

Would you please thepaper for me and see if there are any mistakes

1— Where ___________ yourpen pals from— The UnitedStates.