问题
选择题
So far Peter _____ back. Shall we make a phone call to him again? [ ]
A. won't ring
B. doesn't ring
C. didn't ring
D. hasn't rung
答案
答案：D
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So far Peter _____ back. Shall we make a phone call to him again? [ ]
A. won't ring
B. doesn't ring
C. didn't ring
D. hasn't rung
答案：D