问题
I ______ Mr. Smith since he moved to Shanghai.
A:didn’t hear from
B:don’t hear from
C:考点：现在完成时。
D:won’t hear from
B:don’t hear from
C:考点：现在完成时。
D:won’t hear from
正确答案是：
同类题型
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Excuse me. Could you please not smoke here?—________.
It is helpful to a good habit of reading in language learning.