We human beings have been destroying nature year by year ,-----we'll receive severe punishment sooner or later.
A.for which B.to which
C.with which D.of which
You might find yourself looking for a new job ----- you devote yourself to the current one.
A.since B.though C.before D.unless
请详解,O(∩_∩)O谢谢 ~
还有捏?详细的解析,亲~~