It is really difficult to ___ there few flats among so many people.
My cousin is old enough ______ himself.
He _____ have fallen asleep last night because he didn’t hear the phone call.
______ by the beauty of nature, the girl from London decided to spend another two days on the farm.
You have only a short time to get prepared for the exam, so______the most of it.
Although they just met for the first time, they talked _____ they had been friends for many years.