(2013·北京卷) I have an appointment Dr. Smith, but I need to change it.
I have to go to work by taxi because my car ____ at the garage.
My neighbor’s daughter changed so much that I didn’t ____ her at first sight.
He had _____ me to come to the party, but he didn’t show up.
E-mail, as well as telephones, _____ an important part in daily communication.
The water will be further polluted unless some measures______.