单项选择题
They have developed many advanced techniques that are （）to those used in most factories.
A.inferiorB.betterC.superiorD.improved
单项选择题 Whenever he appeared on the stage，the famous actor was greeted with a （）of applause from the audience.
单项选择题 The speaker tried to （）his previous remarks to eliminate misunderstanding.
单项选择题 The lawyer （）a contract for the sale of the house.
