——The police have caught the murderer. ——Yes, and he admitted ___________his boss on a rainy night seven years ago. A. to kill B to have killed C having killing D have been killed
241. I am leaving in an hour but I haven’t _____ my clothes into my trunk.
240. It is an important problem. You should ________ before you draw a conclusion.
239. He_____ me 50 yuan and didn’t return it to me until last night.
238. --- Ought he to get down to his work at once? --- Yes, he _____.ought B. ought to C. must D. should to
237. Our teacher will _____ our class a picnic at the riverside tomorrow if the weather permits.