第22题: [单项选择]It is necessary that an efficient worker ______ his work on time. A. accomplishes B. can accomplish C. accomplish D. has accomplished 参考答案:C 答案解析:在It's necessary (important,essential,vital) that的句型中,that引导的真正的主语从句要求用虚拟式,即(should)+动词原形,因此C为正确选择。