Final answer:
To complete the sentence, use the correct form of the verb aller which means 'to go'. The subject 'tu' requires the verb form 'vas'.
Step-by-step explanation:
To complete the sentence, you need to use the correct form of the verb aller which means 'to go' in French. The subject 'tu' indicates the second person singular, so the correct form of aller is 'vas'. Therefore, the complete sentence would be: 'Tu vas en ville faire les courses?' which translates to 'Are you going to town to do some shopping?'
Learn more about Forming sentences with the verb aller