So: if you talk about something general, use ‘a’ or ‘an’ (in Dutch: ten). You use ‘an’ when the following words starts with a vowel-sound (klinkerklank). Use ‘the’ when you mean something specific, for example: the toxic apple that was given to Snow White. Check this explanation out as well…

Click here for exercise 1 – exercise 2 – exercise 3 and 4.