批量开户可以采用预约日期入账，预约日期应晚于等于当前日期，最大间隔不得超过（）天。
A.3
B.5
C.7
D.10
参考答案：B
______is impossible ______ a language well in a day. [ ]
A. It; to learn
B. It; learning
C. That; to learn
D. That; learning
