I can’t help_________if my students are always making any noise in class.
31. —You should make it a rule to do more exercise in your spare time. — I think your suggestion really deserves__________.
30. —What should we do since we can’t make a compromise after lengthy talks.— ____ you apologize and take back what you’ve said _____ it is all over between us.
29. Tired of work through the year, she desired to _____ and make an independent life for herself.
28. The book was written _____ careful observations and detailed studies.
27. The development of science and technology must benefit people _____ harm them.