The Smiths came to Shanghai in 2008,they ____ there for three years since then.

Paul is very proud ______ his father because he helps keep our city beautiful. [ ]

I don’t know what happened _____ Zhang Hong the day before yesterday. [ ]

If you don’t keep your words all the time , your best friends won’tyou any more .

They went_to show us how to get to the museum. [ ]