单项选择题

A．More convenient.
B．More reliable.
C．Quicker.
D．Cheaper.
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单项选择题
A．They will be replaced by on-line education expands.B．They will attract fewer kids as on-line education expands.C．They will continue to exist along with on-line education.D．They will limit their teaching to certain subjects only.
A．They will be replaced by on-line education expands.
B．They will attract fewer kids as on-line education expands.
C．They will continue to exist along with on-line education.
D．They will limit their teaching to certain subjects only.
单项选择题
A．A foreign country.B．London.C．Birmingham.D．A different time zone.
A．A foreign country.
B．London.
C．Birmingham.
D．A different time zone.
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