These natural parks are very important for preserving many animals, which would ______ run the risk of becoming extinct(灭绝的)．

Nobody could believe what Chloe says because she is ______ changing her mind.

.Is there ______ rain in your area in spring? 

Twenty million years ago, Idoho was not the dry place as it is now. ______, it was warm and damp, covered with thick forests.

We' ve published large quantities of books. This year___ we've published three million.