I took the medicine but it didn't have any ___.
I’ve kept up a friendship with a girl whom I was at school ________ twenty years ago.
In the experiment we kept a watchful eye ________ the developments and recorded every detail.
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.
Mr Smith sold that magnificent cottage of his on the sea ________ 2,000,000 dollars.