1. If I were you, I some milk.
1) would buy
2) will buy
3) bought

2. I don’t know if he tonight.
1) come
2) will come
3) would come

3. If you had strained your ears, you a slight noise in the bushes.
1) would hear
2) will hear
3) would have heard

4. If I so hard, I would never make progress.
1) don't work
2) wouldn't work
3) didn't work

5. If I knew his address, I ___ him.
1) had visited
2) would visit
3) will visit