We cainfer from the passage that quakes __________.()
·may happeanywhere at any time
·mostly strike ioceans and mountains
·are unobservable imasses of land
·are hardly the direct cause of fatalities
出自:华北水利水电大学英语

完成拼图验证

按住下方滑块,将拼图拖到缺口处后松开。

拼图背景,将小拼图拖到缺口处
向右拖动滑块