My favorite singer

BTS song is very well
my favorite meber is j_hope
j_hope is dance very well
BTS meber is 7
my favorite song is Dynamite

BTS song is very well (.) (can also say: very good) 
(M)y favorite me(m)ber is (J-Hope.)
(He) J-Hope [is] dance(s) very well(.)

BTS (has seven) members. [is 7]  
My favorite song is Dynamite.

 

Can say: 

BTS song is very good. My favorite member is J-Hope. He dances very well. 

BTS has seven members. My favorite song is Dynamite.