问题
选择题
I ____ Mr. Smith since he moved to Shanghai.[ ]
A. didn’t hear from
B. don’t hear from
C. won’t hear from
D. haven’t heard from
答案
答案：D
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I ____ Mr. Smith since he moved to Shanghai.[ ]
A. didn’t hear from
B. don’t hear from
C. won’t hear from
D. haven’t heard from
答案：D