用所给单词的适当形式填空。 1. We need to produce a lot of _ (medical) to save those people who get HINI flu. 2. More and more parents are _ _ (worry) about their children playing computer games. 3. As a student, you should learn more _ (know) from your teachers. 4. All the land was _ (cover) by the white snow when we got up last Sunday. 5. I think playing computer games is not _ (help) to your study. |