In _______ gesture to help preserve history, the locals are repairing _______ large percentage of the historic sites steadily.
This passage has too many long sentences. I’m afraid they will be hard for most of the students. Could you help to _______ them?
The police are to ______ the traffic accident that we don’t know _____.
— The floor is dirty.— Yes. It _______ for two days.
My sister_____ Tony for ten years next year.
Do you know a concert _____ in our hometown next month?