摘要： I would appreciate if you call back this afternoon for the doctor’s appointment.
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I would appreciate it _______ you call back this afternoon for the doctor’s appointment.?
A. until B. if?
C. when D. that?
查看习题详情和答案>>I would appreciate it you call back this afternoon for the doctor’s appointment.
A．until B．if C．when D．that
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I would appreciate it ______ you call back this afternoon for the doctor’s appointment.
A.until B.if C.when D.that
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