1. I'm not the best student in the Class
= I wish I was the best student in the Class
2. Mark doesn't have enough money to buy that book
= mark wishes he had enough money to buy that book 
= she wishes ....................
3. What a pity! You are not here with me today
= lf only you were here with me today
4.tom's neighbors make so much noise at night
=tom wishes  his neighbors didn’t make so much noise at night
5.my father smokes. Smoking is not good for out health
= lf only my father didn't smoke
6. I want to have a computer
=I wish I had a computer
7. It's a pity my sister can't speak English
= I wish my sister could speak English
8. Lan anh mai aren't here
= If only Lan and Mai were here
9. There aren't any parks in my hometown
=If only there were some parks in my hometown
10.Ba feels werried because he gets a bad maket at math today
= Ba wishes he didn’t get a bad mark  at Math today
11.I don't know how to make a square cake
= I wish I knew how to make a square cake
12. He desn't help his mother with the housework
= His mother wishes he helped her with the housework
13. I'm sorry I can't attend you parend your party next week
= I wish  I could attend your party next week.
= I wish I would be  at your party next week
2. Mark doesn't have enough money to buy that book
= mark wishes he had enough money to buy that book 
= she wishes...........................
3. What a pity! You are not here with me today
= lf only you were here with me today
4.tom's neighbors make so much noise at night
=tom wishes his neighbors didn’t make so much noise at night
5.my father smokes. Smoking is not good for out health
= lf only my father didn't smoke
6. I want to have a computer
=I wish I had a computer
7. It's a pity my sister can't speak English
= I wish my sister could speak English
8. Lan anh mai aren't here
= If only Lan and Mai were here
9. There aren't any parks in my hometown
=If only there were some parks in my hometown
10.Ba feels werried because he gets a bad maket at math today
= Ba wishes he didn’t get a bad mark  at Math today
11.I don't know how to make a square cake
= I wish I knew how to make a square cake
12. He desn't help his mother with the housework
= His mother wishes he helped her with the housework
13. I'm sorry I can't attend you parend your party next week
= I wish I could attend your party next week.