问题
选择题
Since my return to China, I haven’t seen my host mother in America; nor______from her.
A．I heard
B．I have heard
C．did I hear
D．have I heard
答案
答案：D
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Since my return to China, I haven’t seen my host mother in America; nor______from her.
A．I heard
B．I have heard
C．did I hear
D．have I heard
答案：D