I didn’t believe the reasons he explained _____ me.
The plan __________just because people were unwilling to cooperate (合作).
The customer bargained with the shopkeeper for a long time, and finally they agreed ___________ the price.
Having received___________ training of the MS. Company, he was offered important position in management.
I don't remember___________ to the airport that year.
A man does not know the difficulty of anything_________ he does it personally.