用所给动词的正确形式填空。 1. ______ (read) in the sun is bad for your eyes. 2. You should ________(keep) your room clean. 3. Don’t_________(go) home late. 4. ______ (not talk) in the cinema. 5. You_______(should) help to do housework. 6. She often __________(talk) loudly in the classroom. 7. You shouldn’t _______(watch) TV too late.