精选优质文档-倾情为你奉上情态动词专项讲解1. China is developing its high-speed train technology fast, so it _be good enough to catch up with the best. A. may B. might C. must D. should2. Then some other interesting reasons appear, such as “Its so smoggy that I _find my way to office.A. mustnt B. wont C. cant D. shouldnt3. The world is big, and I want to see it, wrote a teacher in her resignation letter. _ you quit your job to travel the world? A.