You’dbetterleavethings________ifyoudon’tknowhowtodealwiththem
A、offC
A . 离开，离去; B 不在里面，出局; C 单独的(地); D 完结，翻倒，越过
Theybuiltahighway_______themountains.
The traffic was held up for more than thirty minutes, ________ caused me to arrive late.
名词解释：copyright
So far scientists have only acquired ________ understanding of the physical processes that cause earthquakes.
People appreciate _______ with him because he is knowledgeable and humorous.
