问题
选择题
__ your courage, ___ you will not fail.
A．Keep to…then
B．Keep up…and
C．Keep up with…and
D．Keep on…so
答案
答案：B
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__ your courage, ___ you will not fail.
A．Keep to…then
B．Keep up…and
C．Keep up with…and
D．Keep on…so
答案：B