问题
选择题
Good ways of doing things mean less time and pain,and ____,it is necessary for us to find time. [ ]
A. otherwise
B. however
C .still
D. therefore
答案
答案：D
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Good ways of doing things mean less time and pain,and ____,it is necessary for us to find time. [ ]
A. otherwise
B. however
C .still
D. therefore
答案：D