Look at the following sentences and do the exercise.
Elle va … l’école tous les jours (She goes to school every day). Elle boit … l’eau pendant le déjeuner (She drinks water during lunch). Il revient … la bibliothèque (He is coming back from the library). Elle adore manger … fruits (She loves eating fruits). Elle rêve … voyager autour du monde (She dreams of traveling around the world). Tu as … chance d’avoir du chocolat (You are lucky to have chocolate). Ils rentrent … la fête à minuit (They come back from the party at midnight). Le cours commence … neuf heures (The class starts at nine o’clock). La clé est … la poche (The key is in the pocket). La tasse est … la table (The cup is on the table).