Complete the sentences. Use the correct form of the present or past simple.
1. There isn't any milk. Tom (drink) it all.
2. Mum (not come) home from work yet.
3. I (eat) a burger for lunch yesterday.
4. My sister (never like) chicken.
5. The children (have) a picnic at the beach last Saturday. 
6. Billy (go) to the shops, but he'll be back soon.