52单词网 > 高中英语 > 高中英语题库 > Sandstorms in China appear in recent years as a result of desertification . [ ]A

Sandstorms in China appear in recent years as a result of desertification . [ ]A

来源:网络 时间:
Sandstorms in China appear in recent years as a result of desertification . [ ]A

Sandstorms in China appear ____ in recent years as a result of "desertification".[     ]A. to increase
B. to be increasing
C. to have increased
D. increasing

试题答案

C