问题
选择题
How long ______ teaching? Forty years.
A．he will have been
B．will have he been
C．will have been he
D．will he have been
答案
答案：D
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How long ______ teaching? Forty years.
A．he will have been
B．will have he been
C．will have been he
D．will he have been
答案：D