Đề: Change the active into the passive
1) Someone is showing her how to do it
-....................................................................
2) Lan was prepairing that report when I came to see him
-...................................................................................................
3) Was Mary helping her mother in the kitchen at that time?
-.....................................................................................................
4) Someone was cleaning the windows while I was there
-.................................................................................................
5) They were preseting the athletes to the spectators when we came
-......................................................................................................................
Loga
Sinh Học lớp 12
