Chuyển các câu sau thành câu bị động ở thì ht tiếp diễn:
1. How do they cook kind of food?
HOW IS KIND OF FOOD COOKED ?
2. He doesn't admire this actor.
THIS ACTOR ISN'T ADMIRED BY HIM.
3. Who look after the children for you? ( by whom)
BY WHOM WAS THE CHILDREN LOOKED AFTER FOR YOU ?