问题
选择题
His letter was especially welcome as I ____ from him for long.
A．haven’t heard
B．would not heard
C．hadn’t heard
D．didn’t heard
答案
答案：C
考查语境中的时态综合运用。从内容上看应为完成时，从所给信息看，应为过去时，这样就容易作出正确选择：过去完成时。
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