$Exercise12$
1. will → bỏ
2. can have to → will
3. will → bỏ
4. should → bỏ
5. could → can
6. could → can
7. should she → she should
8. would → should
$Exxercise13$
1. Jim always asks me what I would do if I saw a shooting star.
2. My mother often adds a stick of cinnamon in soup.
3. If you can't drink black coffee, you can add milk or sugar.
4. How will the cake taste if we add a drop of olive oil?
5. My son won't eat salad if there are tomatoes in it.