【正文】
u need ___ your bedroom. It’ s so dirty. — Sorry, mom. I’ ll do it right away. A. clean up B. to clean up C. cleaned up D. cleaning up 2. We are sure that we’ ll ___ an idea to solve the difficult problem soon. A. put up B. give up C. give out D. e up with 3. We can ask our parents ___ us finish the work. A. help B. helping C. helped D. to help 4. — Mom, can I leave my homework for tomorrow? — I’ m afraid not. Don’ t ___ what you can do today till tomorrow. A. put away B. put out C. put off D. put up 5. — Betty failed in the exam. She must be very sad. — Let’ s go and ___. A. wake her up B. give her up C. cheer up her D. cheer her up 6. Let39。