영어 문제좀 풀어주시면 감사하겠습니다!

PART 1. Complete the sentences with still, yet, just, ever, or already. Use each word once.

1.    In this class, we’ve learned several useful things __________.

2.    Joe’s boss is upset because he __________ hasn’t finished writing the report.

3.    I’ve __________ finished packing. Now I’m going to call a taxi.

4.    Have you started cooking dinner __________? It’s almost 7pm and I’m hungry.