i often work (A) at (B) my english (C) on (D) Mondays

tìm lỗi sai giúp mink

1.am staying

in viet nam there (be)........no lessons on saturday

1.......You.......(be) free this morning , Tan ?

2.Trang.....(not be) in her room at the moment. 

sắp xếp cho mình câu này nhé  
the teacher / angry / is / ?