1.   High standards of decorum are usually required when attending the opera.

2.   We still attend the opera and ballet in Milwaukee but only a few times a year.

3.   Because you will be attending an opera that evening, you must wear something that will do double duty.

4.   For those who cannot attend an opera, there is a one-hour tour of the theater given in English and several other languages.

5.   Frasier and Niles attend operas.

6.   He attends the opera.

7.   Like seeing a tango show, attending the opera at the Colon is a rich window on Argentine glamour and style.

8.   Not after she made him attend the opera with her.

9.   The depressing assumption behind the pitch is that staying in touch while attending the opera is a good thing.

10.   After sightseeing around Shanghai, Koo will chat again Thursday with Wang and then attend an opera together.