Final answer:
The opposite of cierren is abran. The opposite of antes is después. The missing words are hacer and música.
Step-by-step explanation:
The opposite of cierren is abran. In Spanish, cierren means 'close', and abran means 'open'.
For the second sentence, the missing word is hacer. So the complete sentence would be '¿Qué tienes que hacer hoy?' which translates to 'What do you have to do today?'
The opposite of antes is después. Antes means 'before' and después means 'after' in Spanish.
The fourth sentence is incomplete. The word missing is música. So the complete sentence would be 'Yo toco la música que estudiar' which translates to 'I play the music that I study'.
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