This week, 40 students continued receiving lessons for their goal to become the top 9. 

SEE ALSO: 'Our Blues' actress Jung Eun Hye to tie the knot in May

The first class concentrated on 'killing parts' or the most catchy part of the song. Next, the girls learned about how to perfect synchronized choreography. Lastly, singer Solbi made a special appearance as the teacher and talked with the girls about mentality. 

Throughout the airing, viewers voted for the most outstanding student. The results were broadcasted live at the end. 

So which students received the most votes this week? Check out the rankings below!

40th: Cho Sae Rim

39th: Hong Si Woo

38th: Lee Da Hee

37th: Jung So Mi

36th: Kim Na Yeon

35th: Yang Yeon Ji

34th: Lee Seul

33rd: White Michelle

32nd: Snow Baby

31st: Kim Joo Hyun 

30th: Yoon Ji Woo

29th: Cho Young Joo

28th: Cho Yoo Bin

27th: Lee Young Yoo

26th: Lee Yoo Jung

25th: Jang Gyu Ri

24th: Tasha

23rd: Shin Si Ah

22nd: Noh Ji Sun

21st: Park Sun

20th: Kim Myung Ji

19th: Lee Si Ahn

18th: Park So Myung

17th: Bin Ha Neul

16th: Choo Won Hee

15th: Kim Eun Kyul

14th: Kim Eun Sul

13th: Bae Eun Young

12th: Yoo Ji Na

11th: Lee Seo Yeon

10th: Seo Hye Rin

And here are the top 9.

9th: Lee Na Kyung

8th: Lee Sae Rom

7th: Cho Yuri

6th: Baek Ji Hun

5th: Natty

4th: Park Ji Won

3rd: Lee Chae Young

2nd: Lee Hae In

1st: Song Ha Young