Finally they agreed ____ the terms of the contract.
It is reported that no problems have been discovered in milk products such as Yili, Sanlu and Mengniu, ________ proves newly-produced liquid milk safe.
Was __ at the air battle on June 8,1994, ____ was led by Captain Johnson ___ Peter lost his life?
Could it be in the restaurant ________ you had dinner with me yesterday ________ you lost your handbag?
He said that the key _____ to open the door had been lost.
I think you’ve got to the point a change is needed, otherwise you will fail.