She can speak Spanish well.

She speaks Spanish, not to mention English.

She can speak Spanish as well as English.

She is proficient in both Spanish and Italian.

She can speak Spanish, much more English.

She devoted all her energy to studying Spanish.

They can speak Spanish.

Then it dawned on me that they were speaking Spanish.

He can speak Spanish, not to mention English.

Obviously he speaks English, but he can even speak Spanish.

He speaks Spanish, not to mention English and German.

He started to learn Spanish from the radio.

He pronounces English words in Spanish fashion because he is a Mexican.

He speaks Spanish as well as French.

He is proficient in both Spanish and Italian.

He is capable of teaching Spanish.

He applied himself to the study of Spanish.

He can speak some Spanish, much more English.

He is a good speaker of Spanish.

He and I can not speak Spanish.