Yang 2B,No.3,No.4,No.5 tolong dijawab yaa

2b. do you agree?
3a. do you understand what our teacher said?
3b. what do you think about English lesson?
4a. we must be quiet.
4b. in the library.
5. 4 - 1 - 3 - 5 - 2 - 7 - 8 - 6