问题
选择题
Mr. Wang is a teacher. He ______ in this school for 20 years.
A．has worked
B．worked
C．will work
D．works
答案
答案：A
题目分析：句意：王先生是一名老师。他在这个学校工作了20年了。根据句意分析应用现在完成时，故选A。
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Mr. Wang is a teacher. He ______ in this school for 20 years.
A．has worked
B．worked
C．will work
D．works
答案：A
题目分析：句意：王先生是一名老师。他在这个学校工作了20年了。根据句意分析应用现在完成时，故选A。