题目内容:
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.
A. seemed
B. likely
C. tended
D. possible
参考答案:
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.