1/I am not in the primary school any more
->I wish I were in primary school any more
2/I am sorry I am not able to go with you
->I wish I were able to go with you
3/What a pity! She doesn’t live near the center
->She wishes she lived near the center
4/My neighbor always makes a lot of noise at night
->I wish my neighbor didn't make a lot of noise at night
5/They are sorry that they won’t go camping with us next weekend
-> They wish they would go camping with us next weekend
6/I would like it to stop raining
-> I wish it stopped raining 
7/The downtown area is very crowed, so it is difficult for you to get a taxi
->It is difficult for you to get a taxi because the downtown area is very crowed
8/My sister isn’t old, so she can’t go to the zoo alone
->My sister can’t can’t go to the zoo alone because she isn't old
9/The road is narrow, so it is difficult for two cars to pass each other
->It is difficult for two cars to pass each other because the road is narrow
10/We read a book many times because it is interesting
-> The book is so interesting that we read many times
11/We spend a whole day in the garden because the weather is so lovely
->The weather is so lovely that we spend a whole day in the garden
12/Traffic jams usually happen because the streets are very crowed
->The streets are so crowded that traffic jams usually happen