In recent years, great changes have taken place in the city of WenzhouAs we can see, many streets and roads_______

We need to ______ after eating to have good teeth.

What? Is it the first time that this _________?

City air is very dirty， so it would be wise ______ you to wash your hair often.— I know， but it is not easy ______ me to do that every day.

Is this the house_______Abrabam Lincoln was born?