Bài 3: Change these yes-no questions into passive voice:
1. Are the police making inquires about the thief?
=>...........................................................................
2. Will buses bring the children home?
=>.......................................................
3. Have you finished your homework?
=>....................................................
4. Must we finish the test before ten?
=>....................................................
5. Why didn't they help him?
=>.......................................
(MONG CÁC BẠN GIÚP MÌNH NHA)