This problem may lead to more serious ones if ______ unsolved.
All possible means ______ to protect this kind of animals in danger up to now.
We firmly believe that war never settles anything. It only ______ violence
The college life he had been looking forward to_______ at last.
He is ______ to be in Shenzhen, looking for a job.
A letter from his mother ______ an attack of homesickness.