the fierce competition in finding are trying their fortune in medium-sized cities like Wuhu City．

It is_____ for her to finish that maths problem in such a short time, because she is so clever.[ ]

It won’t be long before we _____________ a way to overcome the difficulties.

just can’t imagine how people living here __________ the polluted environment. — Something must be done to change this situation.[ ]

_______warmly for his work, he was too tofall asleep.