The problem with seeing famous tourist attractions is the steady_of people all trying to see the place at the same time, so I doubt whether it is worth it.
—Is John coming by bus? —He should,but he _______ not.He likes driving his car
The athlete’s years of hard working _______ when she finally won the Olympic gold medal.
_______ the English examination, I would have gone to the concert last Sunday.
The designer asked _______ we were getting on well with the project.
Bad habits, _______ formed, are difficult, and sometimes impossible to shake off.