the man must have visited the city. No,he couldn't have,beca

the man must have visited the city. No,he couldn't have,beca the boy couldn't have the sundae,because he had to have enou [-A44] ______ people have visited the city every year. The professor couldn't have done what he ______; he is not t the old man must have （）mad The old man couldn't have a good rest _____ this It broke down so the man couldn't have caught it The sick man must not go without ( ) but he must have a ( )w with all the work on hand ,he couldn't have gone to the cine 1.have no,haven't与don't have的区别.2.a man与the man的区别. I have visited the xx city.(否定）I___ ___ ____the xx city. He must have failed the test,___?