5 Choose the correct words to complete the sentences. haven't seen you(for)/since a few days. 11 saw / have seen my friend Kate yesterday 2 Have you ever eaten / Did you ever eat pizza? didn't like /haven't liked the cake my mum gave me. 4 We've lived in this house for / since 2015. 5 When have you been / did you go to the US? 6 What did you do / have you done last night? 71 didn't finish / haven t finished my project yet

Here are the correct words to complete the sentences, along with explanations:1. **I haven't seen you ** **for** **a few days.** * **For** is used with periods of time (a few days, a week, a month, etc.). * **Since** is used with specific points in time (since Monday, since last year, since I saw you).2. **I saw my friend Kate yesterday.** * **Saw** is the past tense of "see" and is used for actions that happened in the past.3. **Have you ever eaten pizza?** * **Have you ever eaten** is the correct form for asking about experiences in the past.4. **I didn't like the cake my mum gave me.** * **Didn't like** is the past tense of "not like" and is used for actions that happened in the past.5. **We've lived in this house for 2015.** * **For** is used with periods of time (for 2015, for five years, for a long time).6. **When did you go to the US?** * **Did you go** is the correct form for asking about a specific event in the past.7. **What did you do last night?** * **Did you do** is the correct form for asking about a specific event in the past.8. **I haven't finished my project yet.** * **Haven't finished** is the present perfect tense and is used for actions that started in the past and continue to the present.