Rewrite the following sentences, using the correct degrees of comparison. [Examples from the provided solution are below]

Here are the correct degrees of comparison for each sentence:

2.1 Janet's house is one block away from the school. Her friend, Helen lives two blocks away from the school. Thembi's house is eight blocks from the school. Thembi's house is the farthest from the school.

$$\boxed{\text{farthest}}$$

2.2 The three girls walk to school. It takes Janet five minutes to reach the school. It takes Helen five minutes long to get to school. It takes Thembi the longest to get to school.

$$\boxed{\text{long, longest}}$$

2.3 Of the two girls, Helen and Thembi, Thembi is the more exhausted of the two when she reaches the school.

$$\boxed{\text{more exhausted}}$$

2.4 Janet does not have to cross a street to get to school. Janet must cross a street and a railway track. Her route is more dangerous than Janet's.

$$\boxed{\text{more dangerous}}$$

2.5 Thembi walks through a park and crosses a peaceful river on her way to school. Her route is the most scenic of them all.

$$\boxed{\text{most scenic}}$$