To say that something is behind something else, we would use de

Ineed a questionnaire of twenty questions about the life and work of carlos monsiváis

Read the following weather report and answer the questions in english. el cinco de diciembre hoy en boston hace frío y nieva. la temperatura máxima es 20 grados y la mínima es 0. hace viento. the high temperature is degrees. the low is degrees.

Decide if the following sentence is gramically correct or incorrect. su mama dice, hola