—Do you think you could successfully light the flame at the opening ceremony?—_______. This is not the first time for me.
In the experiment we kept a watchful eye ________ the developments and recorded every detail.
Books are the most important records we keep ________ man’s thoughts, ideas and feelings.
I don’t think it’s fair to judge a person ________ their clothes.
I am anxious about what notes he made in the back of his diary ________ things to mend or replace.
The customer bargained with the shopkeeper for a long time, and finally they agreed ________ the price.