They usually spend two hours _______ their homework every day.A. do B doing C to do
When I walk_____ the classroom, all the students are listening carefully.
Please read them carefully. ____ you are, ___ mistakes you’ll make.
______ all the stories, I think the first story is ______ one.
— The classroom is clean it was yesterday.— Sorry, I forgot to clean it.
John is ______ honest boy. He has______ useful book.