Others argue that since the earth has endured a long string of ice ages in the last two millionto three million years, any warming is ________ to be temporary.
The student found the novel _______. It provided him with so much information about the subject.
________ (catch) in the rain, he was wet to the skin.
过渡时期总路线的 “两翼”包括_______。
和平赎买的具体方式 ___________。
