-What were you doing when I phoned you yesterday evening? -I was doing homework while my parents dinner,grandma. A.cooked B.cook C.were cooking
Sam with his friend Helen _______ in Class Three. They are in Class One.
It’s important ______ people to understand each other.
Bob is _______ an English class. His teacher is talking ________ English.
— ________ your friend? —The boy in front of the old man.
Yingying often _____ hamburgers, French fries and Coke and her mother often cooks _______ Chinese food for them.