问题
选择题
Progress so far has been very good.We are________confident that the work will be completed on time.[ ]
A. otherwise
B. therefore
C. however
D. somehow
答案
答案：B
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Progress so far has been very good.We are________confident that the work will be completed on time.[ ]
A. otherwise
B. therefore
C. however
D. somehow
答案：B