Fill in the blanks with just, yet, or already. There may be more than one correct answer for some of them

fill in the blanks with just , yet , or already. There may be more than one correct answer for some of them 
1. I haven't found a new apartment.............. . Everything in this area is so expensive.
2. Bill won't join us for lunch. He has eaten............ . 
3.You don't need to water the plants . I've ........ water them today .
4. Have you heard the news ? Justin has ............. bought a new gaming console ! 
5. We have ........ learned that Mimi is sick . He mother called a minute ago 
( giúp vs ạ )