Though the college entrance exam is drawing near, study shouldn’t take up all of your time. It’s important to some time for relaxation and hobbies as well.
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.
236. His order is _____ we ______ complete the task in five days.