管理者的角色是有他在组织中所处的地位决定的
A. 对
B. 错
_____, he has never spent a dollar on books.
A. Rich as he is
B. Rich as is he
C. He is as rich
D. He is though rich
It must be morning, ____ the birds are singing.
A. for
B. because
C. as
D. since
_____ you may do, you must do it well.
A. Which
B. Whenever
C. Whatever
D. Whoever
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