The two international companies reached an agreement, which was based on their             talks.

As the Spring Festival is drawing ______, people are getting busier and　busier.

Faced with the exams, we should work as hard as we can.       , we shouldn’t do it at the cost of our health.

“Facial transplants are no longer science fiction imagination ,”a surgeon has said,____that they are ___possible but  technically complex..

Please don’t run _____ far.