Composition

Good day, [이름]!
The sentences you gave me were a bit confusing.

I recommend that we study them in class tomorrow.

I think I have to clarify one sentence the verb use in it.
See you then!
~~Teacher Erine~~

Good afternoon, Teacher!

>> Correct
 I am free in the office now because our Chinese coworkers have two days holiday until tomorrow. 

>> Correct
 In this case, I won\'t do anything even if I really want to work very hard. 

>> Correct
 Of course, there are disadvantages in getting free time in the office. 

>> Correct
 First, I have to study our boss\'s face. 

>> Correct
 Maybe, all bosses would not like their employees to be free during office hours. 

>> Correct
 Second, I have to deal with many tasks that I didn\'t finish during this holiday at once.

>> Correct
 This one is what I hate the most. 

>> Correct
 Fortunately, they only take 2 days off unlike New Year Holiday for 7 days so I somehow feel relieved with this short holiday. 

>> Fortunately, they will only take 2 days off unlike for the 7 days New Year Holiday off so I somehow feel relieved by this short holiday.
 By the way, it seems like my boss is not in a good mood today so I should be careful not to offend him. ^^;;

>> Correct
 That is all for today and see you tomorrow! ^^
>> Correct
P.S.: Please let me know which one is correct and check my judgement. 

>> P.S.: Please let me know which one is correct and check my judgment. 
 There are a lot of obstacles to disturb people to go out.(x)

>> There are a lot of obstacles that disturb people / hinder people from going out.
 There are a lot of obstacles disturbing people to go out. (o)

>> Correct.
 There are a lot of obstacles that are disturbing people to go out. (o)

>> There are a lot of obstacles that are disturbing people. [We have to clarify this topic in class.]
 There are a lot of people to wait to see her.(x) 

>>  There are a lot of people waiting to see her.
 There are a lot of people waiting to see her. (o)

>> Correct
 There are a lot of men concentrating on caring about their appearances.(o)

>> Correct