问题
选择题
Progress so far has been very good. ________, we are sure that the project will be completed on time.[ ]
A．However
B．Otherwise
C．Therefore
D．Besides
答案
答案：C
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Progress so far has been very good. ________, we are sure that the project will be completed on time.[ ]
A．However
B．Otherwise
C．Therefore
D．Besides
答案：C
