问题
单项选择题
You must take the（）steps by yourself; after you have begun, I will help you.
A.primitive
B.preliminary
C.primary
D.practicable
答案
参考答案：B
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You must take the（）steps by yourself; after you have begun, I will help you.
A.primitive
B.preliminary
C.primary
D.practicable
参考答案：B