the least possible amount; the lowest amount کمترین مقدار ممکن ، پایین ترین مقدار a. Studies show that adults need a _______ of six hours sleep. b. The _______ charge for a telephone, even if no calls are made, is about nine dollars a month. c. Congress has set a _______ wage for all workers.

necessary; very important ضروری ، بسیار مهم a. The _______ items in the cake are flour, sugar, and shortening. b. It is _______ that we follow the road map. c. Several layers of thin clothing are _______ to keeping warm in frigid climates.

think out; plan; invent ابداع کردن ، برنامه ریزی کردن ، اختراع کردن a. The burglars _______ d a scheme for entering the bank at night. b. I would like to _______ a method for keeping my toes from becoming numb while I am ice skating. c. If we could _______ a plan for using the abandoned building, we could save thousands of dollars.

win over to do or believe; make willing متقاعد کردن ، راضی کردن a. Can you _______ him to give up his bachelor days and get married? b. No one could _______ the captain to leave the sinking ship. c. Beth's shriek _______ d Jesse that she was in real danger.

able to be seen قابل رویت a. The ship was barely _______ through the dense fog. b. Before the stars are _______ , the sky has to become quite dark. c. You need a powerful lens to make some germs _______ .