QUESTION-10-Since, For or Ago QUESTION 10 Complete with “since, for or ago”.My sister has studied chemistry …........ six years. QUESTION-10-Since, For or Ago Complete with “since, for or ago”. My sister has studied chemistry …..... six years. My sister has studies chemistry for six years. RETOUR AUX QUESTIONS Arreter le Chrono - Afficher la réponse REPONSE [timed-content-client show="0:31:0" display="div"]My sister has studies chemistry for six years.[/timed-content-client] Retour aux Questions Retour aux Chapitres Retour aux Matières